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Kumkrong P, Scoles L, Brunet Y, Baker S, Mercier PHJ, Poirier D. Evaluation of hydrogen peroxide and ozone residue levels on N95 masks following chemical decontamination. J Hosp Infect 2021; 111:117-124. [PMID: 33640371 PMCID: PMC7906521 DOI: 10.1016/j.jhin.2021.02.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 11/22/2022]
Abstract
Background Hydrogen peroxide and ozone have been used as chemical decontamination agents for N95 masks during supply shortages. If left behind on the masks, the residues of both chemicals represent a potential health hazard by skin contact and respiratory exposure. Aim Characterization of hydrogen peroxide and ozone residues on mask surfaces after chemical decontamination. Methods Various N95 masks were decontaminated using two commercial systems employing either aerosol spray or vaporization of hydrogen peroxide in the presence of ozone. Following the decontamination, the masks were aired out to eliminate moisture and potential chemical residues. The residual hydrogen peroxide and ozone were monitored in the gas phase above the mask surface, and hydrogen peroxide residue directly on mask surfaces using a colorimetric assay. Findings After decontamination, hydrogen peroxide and ozone were detectable in the gas phase in the vicinity of masks even after 5 h of aeration. Hydrogen peroxide was also detected on all studied masks, and levels up to 56 mg per mask were observed after 0.5 h of aeration. All residues gradually decreased with aeration, likely due to decomposition and vaporization. Conclusion Hydrogen peroxide and ozone were present on N95 masks after decontamination. With appropriate aeration, the gaseous residue levels in the vicinity of the masks decreased to permissible levels as defined by the US Occupational Safety and Health Administration. Reliable assays to monitor these residues are necessary to ensure the safety of the mask users.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Alvarez Cartelle P, Amato S, Amhis Y, An L, Anderlini L, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Baladron Rodriguez P, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belov I, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Billoir P, Birch M, Bishop FCR, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Boelhauve JA, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJV, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calefice L, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carus L, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chavez Barajas CA, Chefdeville M, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Congedo L, Contu A, Cooke N, Coombs G, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone D, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Nezza P, Didenko S, Dieste Maronas L, Dijkstra H, Dobishuk V, Donohoe AM, Dordei F, Dos Reis AC, Douglas L, Dovbnya A, Downes AG, Dreimanis K, Dudek MW, Dufour L, Duk V, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Eschle J, Esen S, Evans T, Falabella A, Fan J, Fan Y, Fang B, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Fernandez-Tenllado Arribas JM, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Franzoso E, Frau G, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gaintseva T, Gallas Torreira A, Galli D, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garau M, Garcia Martin LM, Garcia Moreno P, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garrido L, Gaspar C, Geertsema RE, Gerick D, Gerken LL, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Giovannetti M, Gioventù A, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gkougkousis EL, Gligorov VV, Göbel C, Golobardes E, Golubkov D, Golutvin A, Gomes A, Gomez Fernandez S, Goncalves Abrantes F, Goncerz M, Gong G, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greeven LM, Griffith P, Grillo L, Gromov S, Gruberg Cazon BR, Gu C, Guarise M, Günther PA, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Haefeli G, Haen C, Haimberger J, Halewood-Leagas T, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hollitt SE, Hu J, Hu J, Hu W, Huang W, Huang X, Hulsbergen W, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilin D, Ilten P, Inglessi A, Ishteev A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jezabek M, Jiang F, John M, Johnson D, Jones CR, Jones TP, Jost B, Jurik N, Kandybei S, Kang Y, Karacson M, Karpov M, Kazeev N, Keizer F, Kenzie M, Ketel T, Khanji B, Kharisova A, Kholodenko S, Kim KE, Kirn T, Kirsebom VS, Kitouni O, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchenko P, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lampis A, Lancierini D, Lane JJ, Lane R, Lanfranchi G, Langenbruch C, Langer J, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee SH, Lefèvre R, Leflat A, Legotin S, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li P, Li Y, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Litvinov R, Liu G, Liu H, Liu S, Liu X, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Luchuk S, Lucio Martinez M, Lukashenko V, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Ma L, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madejczyk O, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malczewski JJ, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Mauricio J, Mazurek M, McCann M, Mcconnell L, Mcgrath TH, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Meyer Garcia L, Mikhasenko M, Milanes DA, Millard E, Milovanovic M, Minard MN, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mohammed RA, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri I, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, O'Hanlon DP, Oldeman R, Olivares ME, Onderwater CJG, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pagare B, Pais PR, Pajero T, Palano A, Palutan M, Pan Y, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Parkinson CJ, Passalacqua B, Passaleva G, Pastore A, Patel M, Patrignani C, Pawley CJ, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pham TTH, Philippov A, Pica L, Piccini M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pisani F, Piucci A, P K R, Placinta V, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov D, Popov S, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ribatti R, Ricciardi S, Rinnert K, Robbe P, Robert A, Robertson G, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Rollings A, Roloff P, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva JJ, Sagidova N, Sahoo N, Saitta B, Sanchez Gonzalo D, Sanchez Gras C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Saranin D, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Sazak H, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Senghi Soares M, Sergi A, Serra N, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchemerov I, Shchutska L, Shears T, Shekhtman L, Shen Z, Shevchenko V, Shields EB, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smallwood JC, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Solovev A, Solovyev I, Souza De Almeida FL, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stevens H, Stone S, Stramaglia ME, Straticiuc M, Strekalina D, Strokov S, Suljik F, Sun J, Sun L, Sun Y, Svihra P, Swallow PN, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou DY, Traill M, Tran MT, Trifonova E, Trippl C, Tuci G, Tully A, Tuning N, Ukleja A, Unverzagt DJ, Ursov E, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, Valls Canudas N, van Beuzekom M, Van Dijk M, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vilella Figueras E, Vincent P, Vitali G, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang C, Wang J, Wang J, Wang J, Wang J, Wang M, Wang R, Wang Y, Wang Z, Wark HM, Watson NK, Weber SG, Websdale D, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang D, Yang Y, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zaffaroni E, Zarebski KA, Zavertyaev M, Zdybal M, Zenaiev O, Zeng M, Zhang D, Zhang L, Zhang S, Zhang Y, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S, Zuliani D, Zunica G. First Observation of the Decay B_{s}^{0}→K^{-}μ^{+}ν_{μ} and a Measurement of |V_{ub}|/|V_{cb}|. PHYSICAL REVIEW LETTERS 2021; 126:081804. [PMID: 33709730 DOI: 10.1103/physrevlett.126.081804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
The first observation of the suppressed semileptonic B_{s}^{0}→K^{-}μ^{+}ν_{μ} decay is reported. Using a data sample recorded in pp collisions in 2012 with the LHCb detector, corresponding to an integrated luminosity of 2 fb^{-1}, the branching fraction B(B_{s}^{0}→K^{-}μ^{+}ν_{μ}) is measured to be [1.06±0.05(stat)±0.08(syst)]×10^{-4}, where the first uncertainty is statistical and the second one represents the combined systematic uncertainties. The decay B_{s}^{0}→D_{s}^{-}μ^{+}ν_{μ}, where D_{s}^{-} is reconstructed in the final state K^{+}K^{-}π^{-}, is used as a normalization channel to minimize the experimental systematic uncertainty. Theoretical calculations on the form factors of the B_{s}^{0}→K^{-} and B_{s}^{0}→D_{s}^{-} transitions are employed to determine the ratio of the Cabibbo-Kobayashi-Maskawa matrix elements |V_{ub}|/|V_{cb}| at low and high B_{s}^{0}→K^{-} momentum transfer.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Alvarez Cartelle P, Amato S, Amhis Y, An L, Anderlini L, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Baladron Rodriguez P, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belov I, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Billoir P, Birch M, Bishop FCR, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Boelhauve JA, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJV, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calefice L, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chavez Barajas CA, Chefdeville M, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Congedo L, Contu A, Cooke N, Coombs G, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone D, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Nezza P, Didenko S, Dieste Maronas L, Dijkstra H, Dobishuk V, Donohoe AM, Dordei F, Dos Reis AC, Douglas L, Dovbnya A, Downes AG, Dreimanis K, Dudek MW, Dufour L, Duk V, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Eschle J, Esen S, Evans T, Falabella A, Fan J, Fan Y, Fang B, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Fernandez-Tenllado Arribas JM, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Franzoso E, Frau G, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gaintseva T, Gallas Torreira A, Galli D, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garau M, Garcia Martin LM, Garcia Moreno P, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garrido L, Gascon D, Gaspar C, Geertsema RE, Gerick D, Gerken LL, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Giovannetti M, Gioventù A, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gkougkousis EL, Gligorov VV, Göbel C, Golobardes E, Golubkov D, Golutvin A, Gomes A, Gomez Fernandez S, Goncalves Abrantes F, Goncerz M, Gong G, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greeven LM, Griffith P, Grillo L, Gromov S, Gruber L, Gruberg Cazon BR, Gu C, Guarise M, Günther PA, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Haefeli G, Haen C, Haimberger J, Haines SC, Halewood-Leagas T, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hollitt SE, Hopchev PH, Hu J, Hu J, Hu W, Huang W, Huang X, Hulsbergen W, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilin D, Ilten P, Inglessi A, Ishteev A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jezabek M, Jiang F, John M, Johnson D, Jones CR, Jones TP, Jost B, Jurik N, Kandybei S, Kang Y, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kenzie M, Ketel T, Khanji B, Kharisova A, Kholodenko S, Kim KE, Kirn T, Kirsebom VS, Kitouni O, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchenko P, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lampis A, Lancierini D, Lane JJ, Lane R, Lanfranchi G, Langenbruch C, Langer J, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee SH, Lefèvre R, Leflat A, Legotin S, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li P, Li X, Li Y, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Litvinov R, Liu G, Liu H, Liu S, Liu X, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Luchuk S, Lucio Martinez M, Lukashenko V, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Ma L, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madejczyk O, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Mauricio J, Mazurek M, McCann M, Mcconnell L, Mcgrath TH, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Meyer Garcia L, Mikhasenko M, Milanes DA, Millard E, Milovanovic M, Minard MN, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mohammed RA, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri I, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, O'Hanlon DP, Oldeman R, Onderwater CJG, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pagare B, Pais PR, Pajero T, Palano A, Palutan M, Pan Y, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Parkinson CJ, Passalacqua B, Passaleva G, Pastore A, Patel M, Patrignani C, Pawley CJ, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Philippov A, Pica L, Piccini M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, P K R, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Popov S, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ribatti R, Ricciardi S, Richards DS, Rinnert K, Robbe P, Robert A, Robertson G, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Rollings A, Roloff P, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva JJ, Sagidova N, Sahoo N, Saitta B, Sanchez Gonzalo D, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Saranin D, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Sazak H, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Senghi Soares M, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchemerov I, Shchutska L, Shears T, Shekhtman L, Shen Z, Shevchenko V, Shields EB, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smallwood JC, Smeaton JG, Smetkina A, Smith E, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Solovev A, Solovyev I, Souza De Almeida FL, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stevens H, Stone S, Stramaglia ME, Straticiuc M, Strekalina D, Strokov S, Suljik F, Sun J, Sun L, Sun Y, Svihra P, Swallow PN, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou DY, Traill M, Tran MT, Trifonova E, Trippl C, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Unverzagt DJ, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, Valls Canudas N, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vilella Figueras E, Vincent P, Vitali G, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang C, Wang J, Wang J, Wang J, Wang J, Wang M, Wang R, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Weber SG, Websdale D, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang D, Yang Y, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zenaiev O, Zeng M, Zhang D, Zhang L, Zhang S, Zhang Y, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S, Zuliani D, Zunica G. Model-Independent Study of Structure in B^{+}→D^{+}D^{-}K^{+} Decays. PHYSICAL REVIEW LETTERS 2020; 125:242001. [PMID: 33412030 DOI: 10.1103/physrevlett.125.242001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 10/07/2020] [Indexed: 06/12/2023]
Abstract
The only anticipated resonant contributions to B^{+}→D^{+}D^{-}K^{+} decays are charmonium states in the D^{+}D^{-} channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of sqrt[s]=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb^{-1}, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D^{+}D^{-} pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D^{-}K^{+} channel with masses around 2.9 GeV/c^{2}.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala C, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Alvarez Cartelle P, Amato S, Amhis Y, An L, Anderlini L, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back J, Baker S, Baladron Rodriguez P, Balagura V, Baldini W, Baptista Leite J, Barlow R, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels J, Bassi G, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belov I, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein H, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler M, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker M, Bifani S, Billoir P, Birch M, Bishop F, Bizzeti A, Bjørn M, Blago M, Blake T, Blanc F, Blusk S, Bobulska D, Boelhauve J, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk J, Bouchiba S, Bowcock T, Boyer A, Bozzi C, Bradley M, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buonaura A, Burr C, Bursche A, Butkevich A, Butter J, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calefice L, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez D, Campoverde Quezada A, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cerasoli J, Chadwick A, Chapman M, Charles M, Charpentier P, Chatzikonstantinidis G, Chavez Barajas C, Chefdeville M, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala M, Cid Vidal X, Ciezarek G, Clarke P, Clemencic M, Cliff H, Closier J, Cobbledick J, Coco V, Coelho J, 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Graciani Diaz R, Grammatico T, Granado Cardoso L, Graugés E, Graverini E, Graziani G, Grecu A, Greeven L, Griffith P, Grillo L, Gromov S, Gruber L, Gruberg Cazon B, Gu C, Guarise M, Günther P, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Haefeli G, Haen C, Haimberger J, Haines S, Halewood-leagas T, Hamilton P, Han Q, Han X, Hancock T, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin A, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hollitt S, Hopchev P, Hu J, Hu J, Hu W, Huang W, Huang X, Hulsbergen W, Hunter R, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilin D, Ilten P, Inglessi A, Ishteev A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal B, Jawahery A, Jevtic V, Jezabek M, Jiang F, John M, Johnson D, Jones C, Jones T, Jost B, Jurik N, Kandybei S, Kang Y, Karacson M, Kariuki J, Kazeev N, Kecke M, Keizer F, Kenzie M, Ketel T, Khanji B, Kharisova A, Kholodenko S, Kim K, Kirn T, Kirsebom V, Kitouni O, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchenko P, Kravchuk L, Krawczyk R, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma H, Kunde G, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lampis A, Lancierini D, Lane J, Lane R, Lanfranchi G, Langenbruch C, Langer J, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee S, Lefèvre R, Leflat A, Legotin S, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li P, Li X, Li Y, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Litvinov R, Liu G, Liu H, Liu S, Liu X, Loi A, Lomba Castro J, Longstaff I, Lopes J, Loustau G, Lovell G, Lu Y, Lucchesi D, Luchuk S, Lucio Martinez M, Lukashenko V, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Ma L, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madejczyk O, Madhan Mohan L, Maev O, Maevskiy A, Maisuzenko D, Majewski M, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand J, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall P, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli K, Mauri A, Maurice E, Mauricio J, Mazurek M, McCann M, Mcconnell L, Mcgrath T, McNab A, McNulty R, Mead J, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Meyer Garcia L, Mikhasenko M, Milanes D, Millard E, Milovanovic M, Minard MN, Minzoni L, Mitchell S, Mitreska B, Mitzel D, Mödden A, Mohammed R, Moise R, Mombächer T, Monroy I, Monteil S, Morandin M, Morello G, Morello M, Moron J, Morris A, Morris A, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy C, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri I, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen T, Nguyen-Mau C, Niel E, Nieswand S, Nikitin N, Nolte N, Nunez C, Oblakowska-Mucha A, Obraztsov V, O’Hanlon D, Oldeman R, Onderwater C, Ossowska A, Otalora Goicochea J, Ovsiannikova T, Owen P, Oyanguren A, Pagare B, Pais P, Pajero T, Palano A, Palutan M, Pan Y, Panshin G, Papanestis A, Pappagallo M, Pappalardo L, Pappenheimer C, Parker W, Parkes C, Parkinson C, Passalacqua B, Passaleva G, Pastore A, Patel M, Patrignani C, Pawley C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Philippov A, Pica L, Piccini M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, P. K R, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery G, Ponce S, Popov A, Popov D, Popov S, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab N, Rabadan Trejo R, Rachwal B, Rademacker J, Rama M, Ramos Pernas M, Rangel M, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ribatti R, Ricciardi S, Richards D, Rinnert K, Robbe P, Robert A, Robertson G, Rodrigues A, Rodrigues E, Rodriguez Lopez J, Rollings A, Roloff P, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth J, Rotondo M, Rudolph M, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva J, Sagidova N, Sahoo N, Saitta B, Sanchez Gonzalo D, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Saranin D, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Sazak H, Scantlebury Smead L, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schubiger M, Schulte S, Schune M, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Senghi Soares M, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase D, Shapkin M, Shchemerov I, Shchutska L, Shears T, Shekhtman L, Shen Z, Shevchenko V, Shields E, Shmanin E, Shupperd J, Siddi B, Silva Coutinho R, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater M, Smallwood J, Smeaton J, Smetkina A, Smith E, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff M, Soler F, Solovev A, Solovyev I, Souza De Almeida F, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stevens H, Stone S, Stramaglia M, Straticiuc M, Strekalina D, Strokov S, Suljik F, Sun J, Sun L, Sun Y, Svihra P, Swallow P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Teubert F, Thomas E, Thomson K, Tilley M, Tisserand V, T’Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou D, Traill M, Tran M, Trifonova E, Trippl C, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Unverzagt D, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, Valls Canudas N, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse C, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis J, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vilella Figueras E, Vincent P, Vitali G, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang C, Wang J, Wang J, Wang J, Wang J, Wang M, Wang R, Wang Y, Wang Z, Ward D, Wark H, Watson N, Weber S, Websdale D, Weisser C, Westhenry B, White D, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams M, Wilson F, Wislicki W, Witek M, Witola L, Wormser G, Wotton S, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang D, Yang Y, Yang Z, Yang Z, Yao Y, Yeomans L, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski K, Zavertyaev M, Zdybal M, Zenaiev O, Zeng M, Zhang D, Zhang L, Zhang S, Zhang Y, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld J, Zucchelli S, Zuliani D, Zunica G. Amplitude analysis of the
B+→D+D−K+
decay. Int J Clin Exp Med 2020. [DOI: 10.1103/physrevd.102.112003] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Büchler-Germann A, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dobishuk V, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Esen S, Evans T, Falabella A, Fan J, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golobardes E, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Günther PA, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Lantwin O, Latham T, Lazzari F, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Leroy O, Lesiak T, Leverington B, Li H, Li X, Li Y, Li Z, Liang X, Lindner R, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Müller V, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzka J, Saborido Silva JJ, Sagidova N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchutska L, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Torres Machado D, Tou DY, Tournefier E, Traill M, Tran MT, Trippl C, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Constraints on the K_{S}^{0}→μ^{+}μ^{-} Branching Fraction. PHYSICAL REVIEW LETTERS 2020; 125:231801. [PMID: 33337231 DOI: 10.1103/physrevlett.125.231801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 09/25/2020] [Indexed: 06/12/2023]
Abstract
A search for the decay K_{S}^{0}→μ^{+}μ^{-} is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6 fb^{-1} and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(K_{S}^{0}→μ^{+}μ^{-})<2.2×10^{-10} at 90% C.L.. The limit reduces to B(K_{S}^{0}→μ^{+}μ^{-})<2.1×10^{-10} at 90% C.L. once combined with the result from data taken in 2011 and 2012.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Baladron Rodriguez P, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belov I, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Billoir P, Birch M, Bishop FCR, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boelhauve JA, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJV, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calefice L, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chavez Barajas CA, Chefdeville M, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Congedo L, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone D, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dieste Maronas L, Dijkstra H, Dobishuk V, Donohoe AM, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Downes AG, Dreimanis K, Dudek MW, Dufour L, Duk V, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Eschle J, Esen S, Evans T, Falabella A, Fan J, Fan Y, Fang B, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Fernandez-Tenllado Arribas JM, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Franzoso E, Frau G, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gaintseva T, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garau M, Garcia Martin LM, Garcia Moreno P, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garrido L, Gascon D, Gaspar C, Geertsema RE, Gerick D, Gerken LL, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Giovannetti M, Gioventù A, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gkougkousis EL, Gligorov VV, Göbel C, Golobardes E, Golubkov D, Golutvin A, Gomes A, Gomez Fernandez S, Goncalves Abrantes F, Goncerz M, Gong G, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greeven LM, Griffith P, Grillo L, Gromov S, Gruber L, Gruberg Cazon BR, Gu C, Guarise M, Günther PA, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Haefeli G, Haen C, Haimberger J, Haines SC, Halewood-Leagas T, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hollitt SE, Hopchev PH, Hu J, Hu J, Hu W, Huang W, Huang X, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilin D, Ilten P, Inglessi A, Ishteev A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jezabek M, Jiang F, John M, Johnson D, Jones CR, Jones TP, Jost B, Jurik N, Kandybei S, Kang Y, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kholodenko S, Kim KE, Kirn T, Kirsebom VS, Kitouni O, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchenko P, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lampis A, Lancierini D, Lane JJ, Lane R, Lanfranchi G, Langenbruch C, Langer J, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee SH, Lefèvre R, Leflat A, Legotin S, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li P, Li X, Li Y, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Litvinov R, Liu G, Liu H, Liu S, Liu X, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Luchuk S, Lucio Martinez M, Lukashenko V, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Ma L, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madejczyk O, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Mauricio J, Mazurek M, McCann M, Mcconnell L, Mcgrath TH, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Meyer Garcia L, Mikhasenko M, Milanes DA, Millard E, Milovanovic M, Minard MN, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mohammed RA, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri I, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pagare B, Pais PR, Pajero T, Palano A, Palutan M, Pan Y, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Parkinson CJ, Passalacqua B, Passaleva G, Pastore A, Patel M, Patrignani C, Pawley CJ, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Philippov A, Pica L, Piccini M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, P K R, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Popov S, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ribatti R, Ricciardi S, Richards DS, Rinnert K, Robbe P, Robert A, Robertson G, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Rollings A, Roloff P, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva JJ, Sagidova N, Sahoo N, Saitta B, Sanchez Gonzalo D, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Saranin D, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Sazak H, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Senghi Soares M, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchemerov I, Shchutska L, Shears T, Shekhtman L, Shen Z, Shevchenko V, Shields EB, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smallwood JC, Smeaton JG, Smetkina A, Smith E, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Solovev A, Solovyev I, Souza De Almeida FL, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stevens H, Stone S, Stramaglia ME, Straticiuc M, Strekalina D, Strokov S, Suljik F, Sun J, Sun L, Sun Y, Svihra P, Swallow PN, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou DY, Traill M, Tran MT, Trifonova E, Trippl C, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Unverzagt DJ, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, Valls Canudas N, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vilella Figueras E, Vincent P, Vitali G, Vitkovskiy A, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang C, Wang J, Wang J, Wang J, Wang J, Wang M, Wang R, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Weber SG, Websdale D, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Wilson FF, Winn M, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang D, Yang Y, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zenaiev O, Zeng M, Zhang D, Zhang L, Zhang S, Zhang Y, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S, Zuliani D, Zunica G. Observation of Enhanced Double Parton Scattering in Proton-Lead Collisions at sqrt[s_{NN}]=8.16 TeV. PHYSICAL REVIEW LETTERS 2020; 125:212001. [PMID: 33275017 DOI: 10.1103/physrevlett.125.212001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/04/2020] [Accepted: 10/14/2020] [Indexed: 06/12/2023]
Abstract
A study of prompt charm-hadron pair production in proton-lead collisions at sqrt[s_{NN}]=8.16 TeV is performed using data corresponding to an integrated luminosity of about 30 nb^{-1}, collected with the LHCb experiment. Production cross sections for different pairs of charm hadrons are measured and kinematic correlations between the two charm hadrons are investigated. This is the first measurement of associated production of two charm hadrons in proton-lead collisions. The results confirm the predicted enhancement of double parton scattering production in proton-lead collisions compared to the single parton scattering production.
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Pishdadian S, Hoang NV, Baker S, Moscovitch M, Rosenbaum RS. Not only memory: Investigating the sensitivity and specificity of the Mnemonic Similarity Task in older adults. Neuropsychologia 2020; 149:107670. [PMID: 33157087 DOI: 10.1016/j.neuropsychologia.2020.107670] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 09/13/2020] [Accepted: 11/01/2020] [Indexed: 12/24/2022]
Abstract
Mnemonic discrimination, the process of distinguishing highly similar items in memory, relies on the dentate gyrus (DG) subregion of the hippocampus. The Mnemonic Similarity Task (MST) has been shown to be a sensitive behavioral measure of mnemonic discrimination that is in wide use (Liu et al., 2016). In this study, we evaluate the sensitivity and specificity of the MST in community-dwelling older adults who were administered the Montreal Cognitive Assessment (MoCA), a well-established screening measure for cognitive impairment. Using regression analyses, we tested a sample of 94 participants to determine whether MoCA overall score, MoCA score without the delayed recall subscale score, MoCA delayed recall subscale score, and MoCA status (MoCA score below or above the cut-off of 26/30) predicted MST lure discrimination performance. Regression models showed that all measures - except the MoCA delayed recall score - were significant predictors of MST lure discrimination performance. Our results support the sensitivity of the MST in detecting general cognitive decline but call into question the specificity of the MST with respect to memory and hippocampal function in a healthy older adult population.
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Simpson E, Hsu C, Chiang J, Armstrong J, Lu X, Gajjar A, Patay Z, Merchant T, Broniscer A, Baker S, Lucas J, Tinkle C. Genetic Determinants of Clinical Response to Radiation Therapy in Diffuse Intrinsic Pontine Glioma. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Siddique U, Rahman S, Choudhury S, Baker S, Kumar H. Exploring motor response inhibition in spino- cerebellar ataxia 12. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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von Doetinchem P, Perez K, Aramaki T, Baker S, Barwick S, Bird R, Boezio M, Boggs S, Cui M, Datta A, Donato F, Evoli C, Fabris L, Fabbietti L, Ferronato Bueno E, Fornengo N, Fuke H, Gerrity C, Gomez Coral D, Hailey C, Hooper D, Kachelriess M, Korsmeier M, Kozai M, Lea R, Li N, Lowell A, Manghisoni M, Moskalenko I, Munini R, Naskret M, Nelson T, Ng K, Nozzoli F, Oliva A, Ong R, Osteria G, Pierog T, Poulin V, Profumo S, Pöschl T, Quinn S, Re V, Rogers F, Ryan J, Saffold N, Sakai K, Salati P, Schael S, Serksnyte L, Shukla A, Stoessl A, Tjemsland J, Vannuccini E, Vecchi M, Winkler M, Wright D, Xiao M, Xu W, Yoshida T, Zampa G, Zuccon P. Cosmic-ray antinuclei as messengers of new physics: status and outlook for the new decade. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2020; 2020:035. [PMID: 34712102 PMCID: PMC8549764 DOI: 10.1088/1475-7516/2020/08/035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The precise measurement of cosmic-ray antinuclei serves as an important means for identifying the nature of dark matter and other new astrophysical phenomena, and could be used with other cosmic-ray species to understand cosmic-ray production and propagation in the Galaxy. For instance, low-energy antideuterons would provide a "smoking gun" signature of dark matter annihilation or decay, essentially free of astrophysical background. Studies in recent years have emphasized that models for cosmic-ray antideuterons must be considered together with the abundant cosmic antiprotons and any potential observation of antihelium. Therefore, a second dedicated Antideuteron Workshop was organized at UCLA in March 2019, bringing together a community of theorists and experimentalists to review the status of current observations of cosmic-ray antinuclei, the theoretical work towards understanding these signatures, and the potential of upcoming measurements to illuminate ongoing controversies. This review aims to synthesize this recent work and present implications for the upcoming decade of antinuclei observations and searches. This includes discussion of a possible dark matter signature in the AMS-02 antiproton spectrum, the most recent limits from BESS Polar-II on the cosmic antideuteron flux, and reports of candidate antihelium events by AMS-02; recent collider and cosmic-ray measurements relevant for antinuclei production models; the state of cosmic-ray transport models in light of AMS-02 and Voyager data; and the prospects for upcoming experiments, such as GAPS. This provides a roadmap for progress on cosmic antinuclei signatures of dark matter in the coming years.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Büchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dobishuk V, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Eschle J, Esen S, Evans T, Falabella A, Fan J, Fan Y, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gaintseva T, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Günther PA, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hopchev PH, Hu J, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee SH, Lefèvre R, Leflat A, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li X, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards DS, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva JJ, Sagidova N, Sahoo N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchutska L, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou DY, Tournefier E, Traill M, Tran MT, Trifonova E, Trippl C, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitali G, Vitkovskiy A, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Measurement of CP-Averaged Observables in the B^{0}→K^{*0}μ^{+}μ^{-} Decay. PHYSICAL REVIEW LETTERS 2020; 125:011802. [PMID: 32678626 DOI: 10.1103/physrevlett.125.011802] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/28/2020] [Indexed: 06/11/2023]
Abstract
An angular analysis of the B^{0}→K^{*0}(→K^{+}π^{-})μ^{+}μ^{-} decay is presented using a dataset corresponding to an integrated luminosity of 4.7 fb^{-1} of pp collision data collected with the LHCb experiment. The full set of CP-averaged observables are determined in bins of the invariant mass squared of the dimuon system. Contamination from decays with the K^{+}π^{-} system in an S-wave configuration is taken into account. The tension seen between the previous LHCb results and the standard model predictions persists with the new data. The precise value of the significance of this tension depends on the choice of theory nuisance parameters.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Büchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dobishuk V, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Eschle J, Esen S, Evans T, Falabella A, Fan J, Fan Y, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gaintseva T, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golobardes E, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Guarise M, Gushchin E, Guth A, Guz Y, Gys T, Günther PA, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hopchev PH, Hu J, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee SH, Lefèvre R, Leflat A, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li X, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Meyer Garcia L, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri I, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Parkinson CJ, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards DS, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva JJ, Sagidova N, Sahoo N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchutska L, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou DY, Tournefier E, Traill M, Tran MT, Trifonova E, Trippl C, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitali G, Vitkovskiy A, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-}. PHYSICAL REVIEW LETTERS 2020; 124:222001. [PMID: 32567908 DOI: 10.1103/physrevlett.124.222001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/04/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
The Λ_{c}^{+}K^{-} mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb^{-1} collected by the LHCb experiment. Three Ξ_{c}^{0} states are observed with a large significance and their masses and natural widths are measured to be m[Ξ_{c}(2923)^{0}]=2923.04±0.25±0.20±0.14 MeV, Γ[Ξ_{c}(2923)^{0}]=7.1±0.8±1.8 MeV, m[Ξ_{c}(2939)^{0}]=2938.55±0.21±0.17±0.14 MeV, Γ[Ξ_{c}(2939)^{0}]=10.2±0.8±1.1 MeV, m[Ξ_{c}(2965)^{0}]=2964.88±0.26±0.14±0.14 MeV, Γ[Ξ_{c}(2965)^{0}]=14.1±0.9±1.3 MeV, where the uncertainties are statistical, systematic, and due to the limited knowledge of the Λ_{c}^{+} mass. The Ξ_{c}(2923)^{0} and Ξ_{c}(2939)^{0} baryons are new states. The Ξ_{c}(2965)^{0} state is in the vicinity of the known Ξ_{c}(2970)^{0} baryon; however, their masses and natural widths differ significantly.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Büchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovská J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dobishuk V, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Eschle J, Esen S, Evans T, Falabella A, Fan J, Fan Y, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring Q, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golobardes E, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Günther PA, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hopchev PH, Hu J, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Lantwin O, Latham T, Lazzari F, Le Gac R, Lee SH, Lefèvre R, Leflat A, Leroy O, Lesiak T, Leverington B, Li H, Li L, Li X, Li Y, Li Z, Liang X, Lin T, Lindner R, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards DS, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzhikov A, Ryzka J, Saborido Silva JJ, Sagidova N, Sahoo N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarpis M, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchutska L, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Torres Machado D, Tou DY, Tournefier E, Traill M, Tran MT, Trifonova E, Trippl C, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitali G, Vitkovskiy A, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu J, Xu L, Xu M, Xu Q, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Search for the Rare Decays B_{s}^{0}→e^{+}e^{-} and B^{0}→e^{+}e^{-}. PHYSICAL REVIEW LETTERS 2020; 124:211802. [PMID: 32530675 DOI: 10.1103/physrevlett.124.211802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
A search for the decays B_{s}^{0}→e^{+}e^{-} and B^{0}→e^{+}e^{-} is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 2 fb^{-1}, respectively. No signal is observed. Assuming no contribution from B^{0}→e^{+}e^{-} decays, an upper limit on the branching fraction B(B_{s}^{0}→e^{+}e^{-})<9.4(11.2)×10^{-9} is obtained at 90(95)% confidence level. If no B_{s}^{0}→e^{+}e^{-} contribution is assumed, a limit of B(B^{0}→e^{+}e^{-})<2.5(3.0)×10^{-9} is determined at 90(95)% confidence level. These upper limits are more than one order of magnitude lower than the previous values.
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Aaij R, Abellán Beteta C, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar 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M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Maev O, Maevskiy A, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Price E, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Saborido Silva JJ, Sagidova N, Saitta B, Salustino Guimaraes V, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sepulveda ES, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vitti M, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, White DJ, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics. PHYSICAL REVIEW LETTERS 2020; 124:122002. [PMID: 32281875 DOI: 10.1103/physrevlett.124.122002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/13/2019] [Accepted: 03/02/2020] [Indexed: 06/11/2023]
Abstract
The ratio of the B_{s}^{0} and B^{+} fragmentation fractions f_{s} and f_{u} is studied with B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+} decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The analysis is performed in bins of B-meson momentum, longitudinal momentum, transverse momentum, pseudorapidity, and rapidity. The fragmentation-fraction ratio f_{s}/f_{u} is observed to depend on the B-meson transverse momentum with a significance of 6.0σ. This dependency is driven by the 13 TeV sample (8.7σ), while the results for the other collision energies are not significant when considered separately. Furthermore, the results show a 4.8σ evidence for an increase of f_{s}/f_{u} as a function of collision energy.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovska J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dobishuk V, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Esen S, Evans T, Falabella A, Fan J, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring M, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Günther P, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Lantwin O, Latham T, Lazzari F, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Leroy O, Lesiak T, Leverington B, Li H, Li X, Li Y, Li Z, Liang X, Lindner R, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Müller V, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzka J, Saborido Silva JJ, Sagidova N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchutska L, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Torres Machado D, Tou DY, Tournefier E, Traill M, Tran MT, Trippl C, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Volkov V, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Isospin Amplitudes in Λ_{b}^{0}→J/ψΛ(Σ^{0}) and Ξ_{b}^{0}→J/ψΞ^{0}(Λ) Decays. PHYSICAL REVIEW LETTERS 2020; 124:111802. [PMID: 32242683 DOI: 10.1103/physrevlett.124.111802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/08/2020] [Accepted: 02/14/2020] [Indexed: 06/11/2023]
Abstract
Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions and allow searches for physics beyond the standard model. We present the first results on isospin amplitudes in b-baryon decays, using data corresponding to an integrated luminosity of 8.5 fb^{-1}, collected with the LHCb detector in pp collisions at center of mass energies of 7, 8, and 13 TeV. The isospin amplitude ratio |A_{1}(Λ_{b}^{0}→J/ψΣ^{0})/A_{0}(Λ_{b}^{0}→J/ψΛ)|, where the subscript on A indicates the final-state isospin, is measured to be less than 1/21.8 at 95% confidence level. The Cabibbo suppressed Ξ_{b}^{0}→J/ψΛ decay is observed for the first time, allowing for the measurement |A_{0}(Ξ_{b}^{0}→J/ψΛ)/A_{1/2}(Ξ_{b}^{0}→J/ψΞ^{0})|=0.37±0.06±0.02, where the uncertainties are statistical and systematic, respectively.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovska J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dobishuk V, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Epple E, Escher S, Esen S, Evans T, Falabella A, Fan J, Farley N, Farry S, Fazzini D, Fedin P, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring M, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Günther PA, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Lantwin O, Latham T, Lazzari F, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Leroy O, Lesiak T, Leverington B, Li H, Li X, Li Y, Li Z, Liang X, Lindner R, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Müller V, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Reboud M, Redi F, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzka J, Saborido Silva JJ, Sagidova N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shchutska L, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Torres Machado D, Tou DY, Tournefier E, Traill M, Tran MT, Trippl C, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Volkov V, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Wislicki W, Witek M, Witola L, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. First Observation of Excited Ω_{b}^{-} States. PHYSICAL REVIEW LETTERS 2020; 124:082002. [PMID: 32167334 DOI: 10.1103/physrevlett.124.082002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
We report four narrow peaks in the Ξ_{b}^{0}K^{-} mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb^{-1} recorded by the LHCb experiment. Referring to these states by their mass, the mass values are m[Ω_{b}(6316)^{-}]=6315.64±0.31±0.07±0.50 MeV, m[Ω_{b}(6330)^{-}]=6330.30±0.28±0.07±0.50 MeV, m[Ω_{b}(6340)^{-}]=6339.71±0.26±0.05±0.50 MeV, m[Ω_{b}(6350)^{-}]=6349.88±0.35±0.05±0.50 MeV, where the uncertainties are statistical, systematic, and the last is due to the knowledge of the Ξ_{b}^{0} mass. The natural widths of the three lower mass states are consistent with zero, and the 90% confidence-level upper limits are determined to be Γ[Ω_{b}(6316)^{-}]<2.8 MeV, Γ[Ω_{b}(6330)^{-}]<3.1 MeV and Γ[Ω_{b}(6340)^{-}]<1.5 MeV. The natural width of the Ω_{b}(6350)^{-} peak is 1.4_{-0.8}^{+1.0}±0.1 MeV, which is 2.5σ from zero and corresponds to an upper limit of 2.8 MeV. The peaks have local significances ranging from 3.6σ to 7.2σ. After accounting for the look-elsewhere effect, the significances of the Ω_{b}(6316)^{-} and Ω_{b}(6330)^{-} peaks are reduced to 2.1σ and 2.6σ, respectively, while the two higher mass peaks exceed 5σ. The observed peaks are consistent with expectations for excited Ω_{b}^{-} resonances.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Craik DC, Crkovska J, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Fan J, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferrillo M, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Fuehring M, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennequin AM, Hennessy K, Henry L, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Latham T, Lazzari F, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li X, Li Y, Li Z, Liang X, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lu Y, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Mikhasenko M, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller K, Müller V, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Nunez C, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rabadan Trejo RI, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzka J, Saborido Silva JJ, Sagidova N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smetkina A, Smith E, Smith IT, Smith M, Snoch A, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trippl C, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Volkov V, Vollhardt A, Vom Bruch D, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Search for A^{'}→μ^{+}μ^{-} Decays. PHYSICAL REVIEW LETTERS 2020; 124:041801. [PMID: 32058729 DOI: 10.1103/physrevlett.124.041801] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 12/12/2019] [Indexed: 06/10/2023]
Abstract
Searches are performed for both promptlike and long-lived dark photons, A^{'}, produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for A^{'}→μ^{+}μ^{-} decays using a data sample corresponding to an integrated luminosity of 5.5 fb^{-1} collected with the LHCb detector. Neither search finds evidence for a signal, and 90% confidence-level exclusion limits are placed on the γ-A^{'} kinetic mixing strength. The promptlike A^{'} search explores the mass region from near the dimuon threshold up to 70 GeV and places the most stringent constraints to date on dark photons with 214<m(A^{'})≲740 MeV and 10.6<m(A^{'})≲30 GeV. The search for long-lived A^{'}→μ^{+}μ^{-} decays places world-leading constraints on low-mass dark photons with lifetimes O(1) ps.
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Aaij R, Abellán Beteta C, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Färber C, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Maev O, Maevskiy A, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Price E, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Saborido Silva JJ, Sagidova N, Saitta B, Salustino Guimaraes V, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sepulveda ES, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stocchi A, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vitti M, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Observation of Several Sources of CP Violation in B^{+}→π^{+}π^{+}π^{-} Decays. PHYSICAL REVIEW LETTERS 2020; 124:031801. [PMID: 32031835 DOI: 10.1103/physrevlett.124.031801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Indexed: 06/10/2023]
Abstract
Observations are reported of different sources of CP violation from an amplitude analysis of B^{+}→π^{+}π^{+}π^{-} decays, based on a data sample corresponding to an integrated luminosity of 3 fb^{-1} of pp collisions recorded with the LHCb detector. A large CP asymmetry is observed in the decay amplitude involving the tensor f_{2}(1270) resonance, and in addition significant CP violation is found in the π^{+}π^{-}S wave at low invariant mass. The presence of CP violation related to interference between the π^{+}π^{-}S wave and the P wave B^{+}→ρ(770)^{0}π^{+} amplitude is also established; this causes large local asymmetries but cancels when integrated over the phase space of the decay. The results provide both qualitative and quantitative new insights into CP -violation effects in hadronic B decays.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Silva CL, Dall'Occo E, Dalseno J, Danilina A, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ek-In S, Ekelhof R, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Farley N, Farry S, Fazzini D, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Funk W, Féo M, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, Garcia Plana B, Garcia Rosales FA, García Pardiñas J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironell PG, Giubega L, Gizdov K, Gligorov VV, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Guo X, Gushchin E, Guth A, Guz Y, Gys T, Göbel C, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennessy K, Henry L, van Herwijnen E, Heuel J, Heß M, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Latham T, Lazzari F, Lazzeroni C, Le Gac R, Leflat A, Lefèvre R, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Ling P, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Ma R, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meier G, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Murphy CH, Murray D, Mödden A, Müller D, Müller J, Müller K, Müller V, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, O'Hanlon DP, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Lener MP, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reis ACD, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzka J, Saborido Silva JJ, Sagidova N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Sedes BS, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stocchi A, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, T'Jampens S, Taneja S, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Thomson KA, van Tilburg J, Tilley MJ, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, Van Hecke H, Van Hulse CB, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, van Veghel M, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, de Vries JA, Vázquez Sierra C, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams MRJ, Williams M, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Search for Lepton-Flavor Violating Decays B^{+}→K^{+}μ^{±}e^{∓}. PHYSICAL REVIEW LETTERS 2019; 123:241802. [PMID: 31922836 DOI: 10.1103/physrevlett.123.241802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Indexed: 06/10/2023]
Abstract
A search for the lepton-flavor violating decays B^{+}→K^{+}μ^{±}e^{∓} is performed using a sample of proton-proton collision data, collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV and corresponding to an integrated luminosity of 3 fb^{-1}. No significant signal is observed, and upper limits on the branching fractions are set as B(B^{+}→K^{+}μ^{-}e^{+})<7.0(9.5)×10^{-9} and B(B^{+}→K^{+}μ^{+}e^{-})<6.4(8.8)×10^{-9} at 90% (95)% confidence level. The results improve the current best limits on these decays by more than one order of magnitude.
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Aaij R, Abellán Beteta C, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Färber C, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Frank M, Frei C, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Girard OG, Gironella Gironell P, Giubega L, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton B, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heinicke K, Heister A, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Maev O, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Minzoni L, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Price E, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Saborido Silva JJ, Sagidova N, Saitta B, Salustino Guimaraes V, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sepulveda ES, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stocchi A, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tourinho Jadallah Aoude R, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vasiliev A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vitti M, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wyllie K, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Measurement of Charged Hadron Production in Z-Tagged Jets in Proton-Proton Collisions at sqrt[s]=8 TeV. PHYSICAL REVIEW LETTERS 2019; 123:232001. [PMID: 31868452 DOI: 10.1103/physrevlett.123.232001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/13/2019] [Indexed: 06/10/2023]
Abstract
The production of charged hadrons within jets recoiling against a Z boson is measured in proton-proton collision data at sqrt[s]=8 TeV recorded by the LHCb experiment. The charged-hadron structure of the jet is studied longitudinally and transverse to the jet axis for jets with transverse momentum p_{T}>20 GeV and in the pseudorapidity range 2.5<η<4. These are the first measurements of jet hadronization at these forward rapidities and also the first where the jet is produced in association with a Z boson. In contrast to previous hadronization measurements at the Large Hadron Collider, which are dominated by gluon jets, these measurements probe predominantly light-quark jets which are found to be more longitudinally and transversely collimated with respect to the jet axis when compared to the previous gluon dominated measurements. Therefore, these results provide valuable information on differences between quarks and gluons regarding nonperturbative hadronization dynamics.
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Aaij R, Abellán Beteta C, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Da Cunha Marinho F, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Färber C, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Frank M, Frei C, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Girard OG, Gironella Gironell P, Giubega L, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Grünberg O, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton B, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heinicke K, Heister A, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khairullin E, Khanji B, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Klimkovich T, Koliiev S, Kolpin M, Kopecna R, Koppenburg P, Kostiuk I, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li PR, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Maev O, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Minzoni L, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Morgunova O, Moron J, Morris AB, Mountain R, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nogay A, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Price E, Prisciandaro J, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Saborido Silva JJ, Sagidova N, Saitta B, Salustino Guimaraes V, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sepulveda ES, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stocchi A, Stone S, Storaci B, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tourinho Jadallah Aoude R, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, van Herwijnen E, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vitti M, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wyllie K, Xiao D, Xie Y, Xu A, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Amplitude Analysis of B^{±}→π^{±}K^{+}K^{-} Decays. PHYSICAL REVIEW LETTERS 2019; 123:231802. [PMID: 31868437 DOI: 10.1103/physrevlett.123.231802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 10/15/2019] [Indexed: 06/10/2023]
Abstract
The first amplitude analysis of the B^{±}→π^{±}K^{+}K^{-} decay is reported based on a data sample corresponding to an integrated luminosity of 3.0 fb^{-1} of pp collisions recorded in 2011 and 2012 with the LHCb detector. The data are found to be best described by a coherent sum of five resonant structures plus a nonresonant component and a contribution from ππ↔KK S-wave rescattering. The dominant contributions in the π^{±} K^{∓} and K^{+} K^{-} systems are the nonresonant and the B^{±}→ρ(1450)^{0}π^{±} amplitudes, respectively, with fit fractions around 30%. For the rescattering contribution, a sizable fit fraction is observed. This component has the largest CP asymmetry reported to date for a single amplitude of (-66±4±2)%, where the first uncertainty is statistical and the second systematic. No significant CP violation is observed in the other contributions.
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Miller KD, Milne P, Baker S, Barr D, Haghani A, Loo B, Matteini P, Monson KD, Perez R, Rawn T, Rosi F, Schmitz J, Summer S, Yadlapalli S. Determination of Low-Level Pesticide Residues in Soft Drinks and Sports Drinks by Liquid Chromatography with Tandem Mass Spectrometry: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/91.1.181] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A collaborative study was conducted on a method for the measurement of 11 low-level pesticide residues in soft drinks and sports drinks by liquid chromatography with tandem mass spectrometry. The pesticide residues determined in this study were alachlor, atrazine, butachlor, isoproturon, malaoxon, monocrotophos, methyl paraoxon, phorate, phorate sulfone, phorate sulfoxide, and 2,4-dichlorophenoxyacetic acid (2,4-D). Blind fortification solutions containing 3 different levels of pesticide residues were provided to 9 collaborating laboratories to create test samples at concentrations of 0, 0.1, and 0.5 g/L with a 10-fold concentration for phorate in a total of 6 matrixes (2 colas, 1 diet cola, 1 clear lemon-lime soft drink, 1 orange soft drink, and 1 sports drink). Good qualitative performance of the method was demonstrated for all pesticide residues. Reproducibility relative standard deviation (RSDR) ranged from 7 to 151 for alachlor, atrazine, butachlor, isoproturon, malaoxon, monocrotophos, methyl paraoxon, phorate, phorate sulfone, phorate sulfoxide, and 2,4-D at the 0.1 g/L level (1.0 g/L for phorate). At 0.5 g/L (5.0 g/L for phorate), RSDR ranged from 9 to 57 for alachlor, atrazine, butachlor isoproturon, malaoxon, monocrotophos, methyl paraoxon, phorate, phorate sulfone, phorate sulfoxide, and 2,4-D in all matrixes. Repeatability relative standard deviation (RSDr), applicable to the diet cola and sports drink, ranged from 0 to 124 for the 11 pesticide residues at the 0.1 g/L level (1.0 g/L for phorate). At 0.5 g/L (5.0 g/L for phorate), RSDr ranged from 4 to 26. Recoveries for the 11 pesticide residues in all matrixes ranged from 84 to 300 at the 0.1 g/L level (1.0 g/L for phorate) and from 66 to 127 at the 0.5 g/L (5.0 g/L for phorate) level. Coefficients of determination (r2) of the matrix-matched calibration curves were 0.95. It is recommended that the method be accepted by AOAC as Official First Action with a limit of quantification of 0.5 g/L for alachlor, atrazine, butachlor, isoproturon, malaoxon, methyl paraoxon, monocrotophos, phorate sulfone, phorate sulfoxide, and 2,4-D and 5.0 g/L for phorate.
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Aaij R, Abellán Beteta C, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Färber C, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Girard OG, Gironella Gironell P, Giubega L, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton B, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Maev O, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Price E, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Saborido Silva JJ, Sagidova N, Saitta B, Salustino Guimaraes V, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sepulveda ES, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stocchi A, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vitti M, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Search for the Lepton-Flavor-Violating Decays B_{s}^{0}→τ^{±}μ^{∓} and B^{0}→τ^{±}μ^{∓}. PHYSICAL REVIEW LETTERS 2019; 123:211801. [PMID: 31809134 DOI: 10.1103/physrevlett.123.211801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Indexed: 06/10/2023]
Abstract
Results are reported from a search for the rare decays B_{s}^{0}→τ^{±}μ^{∓} and B^{0}→τ^{±}μ^{∓}, where the τ lepton is reconstructed in the channel τ^{-}→π^{-}π^{+}π^{-}ν_{τ}. These processes are effectively forbidden in the standard model, but they can potentially occur at detectable rates in models of new physics that can induce lepton-flavor-violating decays. The search is based on a data sample corresponding to 3 fb^{-1} of proton-proton collisions recorded by the LHCb experiment in 2011 and 2012. The event yields observed in the signal regions for both processes are consistent with the expected standard model backgrounds. Because of the limited mass resolution arising from the undetected τ neutrino, the B_{s}^{0} and B^{0} signal regions are highly overlapping. Assuming no contribution from B^{0}→τ^{±}μ^{∓}, the upper limit B(B_{s}^{0}→τ^{±}μ^{∓})<4.2×10^{-5} is obtained at 95% confidence level. If no contribution from B_{s}^{0}→τ^{±}μ^{∓} is assumed, a limit of B(B^{0}→τ^{±}μ^{∓})<1.4×10^{-5} is obtained at 95% confidence level. These results represent the first limit on B(B_{s}^{0}→τ^{±}μ^{∓}) and the most stringent limit on B(B^{0}→τ^{±}μ^{∓}).
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Yoshinaga J, Morita M, Yukawa M, Shiraishi K, Kawamura H, Arae H, Baker S, Barnes RM, Dang HS, De Regge P, Funato Y, Futatsugawa K, Hirai S, Kato T, Kawamoto K, Matsubara M, Matsue H, Miller-Ihli NJ, Muramatsu Y, Narukawa T, Okada Y, Reitznerová E, Sakamoto H, Sera K, Shindo K, Suzuki S, Takata J, Takeuchi T, Tamari Y, Tanizaki Y, Veillon C, Yasui A, Yonezawa C. Certified Reference Material for Analytical Quality Assurance of Minor and Trace Elements in Food and Related Matrixes Based on a Typical Japanese Diet: Interlaboratory Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/84.4.1202] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A Certified Reference Material (CRM) was prepared at the National Institute for Environmental Studies (NIES), Japan, in collaboration with the National Institute of Radiological Sciences (NIRS), Japan, for the analytical quality assurance of minor and trace elements in food and related matrixes. The starting material for the CRM was all food served in 29 households in Japan over two 3-day periods in 1997–1998, and thus the CRM represented a typical Japanese diet. All foods (meals, snacks, and beverages) were homogenized, freeze-dried, pulverized, blended, dispensed into 1100 bottles, and sterilized. The within- and between-bottle homogeneity of the prepared CRM was satisfactory for most of the elements. The concentrations of 14 elements (Na, Mg, K, Ca, Mn, Cu, Zn, As, Se, Sr, Cd, Sn, Ba, and U) were certified based on a collaborative analysis involving NIES, NIRS, and 20 other laboratories. Reference values were given for the concentrations of 12 additional elements (P, Cl, Fe, Co, Ni, Br, Rb, Mo, I, Cs, Pb, and Th). The elements certified and those given reference values include minerals, essential trace elements, contaminant elements, and long-lived radionuclides. Thus, this CRM is of practical value in the quality assurance of element analysis of foods and diets in nutritional, environmental, and radiological research.
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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dudek MW, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Fan J, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fischer KM, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Friday DA, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garcia Rosales FA, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Giugliano C, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Grammatico T, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hart R, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennequin AM, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hunter RJ, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jevtic V, Jiang F, John M, Johnson D, Jones CR, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Krawczyk RD, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kuindersma HS, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Latham T, Lazzari F, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Maccolini S, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Madhan Mohan LR, Maev O, Maevskiy A, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Manera Escalero R, Manuzzi D, Marangotto D, Maratas J, Marchand JF, Marconi U, Mariani S, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Meloni S, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitchell SE, Mitreska B, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Morris AG, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Niel EM, Nieswand S, Nikitin N, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Promberger L, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Lamas M, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Ryzka J, Saborido Silva JJ, Sagidova N, Saitta B, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santangelo P, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Scantlebury Smead LG, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Sellam S, Semennikov A, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shangase DM, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Shupperd JD, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stocchi A, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Svihra P, Swientek K, Szabelski A, Szumlak T, Szymanski M, Taneja S, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Thomson KA, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, Westhenry BDC, White DJ, Whitehead M, Wiedner D, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wu H, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zdybal M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Observation of New Resonances in the Λ_{b}^{0}π^{+}π^{-} System. PHYSICAL REVIEW LETTERS 2019; 123:152001. [PMID: 31702304 DOI: 10.1103/physrevlett.123.152001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/27/2019] [Indexed: 06/10/2023]
Abstract
We report the observation of a new structure in the Λ_{b}^{0}π^{+}π^{-} spectrum using the full LHCb data set of pp collisions, corresponding to an integrated luminosity of 9 fb^{-1}, collected at sqrt[s]=7, 8, and 13 TeV. A study of the structure suggests its interpretation as a superposition of two almost degenerate narrow states. The masses and widths of these states are measured to be m_{Λ_{b}(6146)^{0}}=6146.17±0.33±0.22±0.16 MeV,m_{Λ_{b}(6152)^{0}}=6152.51±0.26±0.22±0.16 MeV,Γ_{Λ_{b}(6146)^{0}}=2.9±1.3±0.3 MeV,Γ_{Λ_{b}(6152)^{0}}=2.1±0.8±0.3 MeV,with a mass splitting of Δm=6.34±0.32±0.02 MeV, where the first uncertainty is statistical, the second systematic. The third uncertainty for the mass measurements derives from the knowledge of the mass of the Λ_{b}^{0} baryon. The measured masses and widths of these new excited states suggest their possible interpretation as a doublet of Λ_{b}(1D)^{0} states.
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