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Yuan X, Cai C, Chen S, Chen S, Yu Z, Balk SP. Androgen receptor functions in castration-resistant prostate cancer and mechanisms of resistance to new agents targeting the androgen axis. Oncogene 2014; 33:2815-25. [PMID: 23752196 PMCID: PMC4890635 DOI: 10.1038/onc.2013.235] [Citation(s) in RCA: 261] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Revised: 04/30/2013] [Accepted: 05/06/2013] [Indexed: 12/17/2022]
Abstract
The metabolic functions of androgen receptor (AR) in normal prostate are circumvented in prostate cancer (PCa) to drive tumor growth, and the AR also can acquire new growth-promoting functions during PCa development and progression through genetic and epigenetic mechanisms. Androgen deprivation therapy (ADT, surgical or medical castration) is the standard treatment for metastatic PCa, but patients invariably relapse despite castrate androgen levels (castration-resistant PCa, CRPC). Early studies from many groups had shown that AR was highly expressed and transcriptionally active in CRPC, and indicated that steroids from the adrenal glands were contributing to this AR activity. More recent studies showed that CRPC cells had increased expression of enzymes mediating androgen synthesis from adrenal steroids, and could synthesize androgens de novo from cholesterol. Phase III clinical trials showing a survival advantage in CRPC for treatment with abiraterone (inhibitor of the enzyme CYP17A1 required for androgen synthesis that markedly reduces androgens and precursor steroids) and for enzalutamide (new AR antagonist) have now confirmed that AR activity driven by residual androgens makes a major contribution to CRPC, and led to the recent Food and Drug Administration approval of both agents. Unfortunately, patients treated with these agents for advanced CRPC generally relapse within a year and AR appears to be active in the relapsed tumors, but the molecular mechanisms mediating intrinsic or acquired resistance to these AR-targeted therapies remain to be defined. This review outlines AR functions that contribute to PCa development and progression, the roles of intratumoral androgen synthesis and AR structural alterations in driving AR activity in CRPC, mechanisms of action for abiraterone and enzalutamide, and possible mechanisms of resistance to these agents.
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MESH Headings
- Androgen Receptor Antagonists/therapeutic use
- Androgens/metabolism
- Animals
- Cell Transformation, Neoplastic/genetics
- Cell Transformation, Neoplastic/metabolism
- Disease Progression
- Drug Resistance, Neoplasm
- Gene Expression Regulation, Neoplastic
- Humans
- Male
- Prostatic Neoplasms, Castration-Resistant/drug therapy
- Prostatic Neoplasms, Castration-Resistant/genetics
- Prostatic Neoplasms, Castration-Resistant/metabolism
- Receptors, Androgen/chemistry
- Receptors, Androgen/metabolism
- Repressor Proteins/metabolism
- Steroid 17-alpha-Hydroxylase/antagonists & inhibitors
- Steroid 17-alpha-Hydroxylase/metabolism
- Trans-Activators/metabolism
- Transcription, Genetic
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Aaij R, Adeva B, Adinolfi M, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Borsato M, Bowcock TJV, Bowen E, Bozzi C, Brambach T, vanden Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Cassina L, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Counts I, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D’Ambrosio C, Dalseno J, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Donleavy S, Dordei F, Dorigo M, Dorosz P, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Esen S, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Fu J, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gavardi L, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gianelle A, Giani S, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Hafkenscheid TW, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Henry L, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kelsey M, Kenyon IR, Ketel T, Khanji B, Khurewathanakul C, Klaver S, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Liles M, Lindner R, Linn C, Lionetto F, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lowdon P, Lu H, Lucchesi D, Luisier J, Luo H, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Manzali M, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martinez Vidal F, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morandin M, Morawski P, Mordà A, Morello MJ, Mountain R, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palombo F, Palutan M, Panman J, Papanestis A, Pappagallo M, Pappalardo L, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Pistone A, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rama M, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Simi G, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Snoek H, Sokoloff MD, Soler FJP, Soomro F, Souza D, De Paula BS, Spaan B, Sparkes A, Spinella F, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Stracka S, Straticiuc M, Straumann U, Stroili R, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T’Jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of charged particle multiplicities and densities in [Formula: see text] collisions at [Formula: see text]TeV in the forward region. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2014; 74:2888. [PMID: 25814891 PMCID: PMC4371048 DOI: 10.1140/epjc/s10052-014-2888-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 04/30/2014] [Indexed: 05/25/2023]
Abstract
Charged particle multiplicities are studied in proton-proton collisions in the forward region at a centre-of-mass energy of [Formula: see text]TeV with data collected by the LHCb detector. The forward spectrometer allows access to a kinematic range of [Formula: see text] in pseudorapidity, momenta greater than [Formula: see text] and transverse momenta greater than [Formula: see text]. The measurements are performed using events with at least one charged particle in the kinematic acceptance. The results are presented as functions of pseudorapidity and transverse momentum and are compared to predictions from several Monte Carlo event generators.
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Aaij R, Adeva B, Adinolfi M, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Borsato M, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Cassina L, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Corvo M, Counts I, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D’Ambrosio C, Dalseno J, David P, David PNY, Davis A, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Donleavy S, Dordei F, Dorigo M, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Esen S, Evans T, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Fu J, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gavardi L, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gianelle A, Giani S, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Gotti C, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Han X, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Henry L, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jalocha J, Jans E, Jaton P, Jawahery A, Jezabek M, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kelsey M, Kenyon IR, Ketel T, Khanji B, Khurewathanakul C, Klaver S, Kochebina O, Kolpin M, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Liles M, Lindner R, Linn C, Lionetto F, Liu B, Liu G, Lohn S, Longstaff I, Longstaff I, Lopes JH, Lopez-March N, Lowdon P, Lu H, Lucchesi D, Luisier J, Luo H, Lupato A, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Manzali M, Maratas J, Marchand JF, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martinez Vidal F, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morandin M, Morawski P, Mordà A, Morello MJ, Moron J, Mountain R, Muheim F, Müller K, Muresan R, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Neuner M, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palombo F, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrignani C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Petridis K, Petrolini A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Pistone A, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rama M, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Sestini L, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko V, Shires A, Silva Coutinho R, Simi G, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Snoek H, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spinella F, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stenyakin O, Stevenson S, Stoica S, Stone S, Storaci B, Stracka S, Straticiuc M, Straumann U, Stroili R, Subbiah VK, Sun L, Sutcliffe W, Swientek K, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T’Jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vieites Diaz M, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Walsh J, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Xu Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of [Formula: see text] polarisation in [Formula: see text] collisions at [Formula: see text] = 7 TeV. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2014; 74:2872. [PMID: 25814889 PMCID: PMC4370868 DOI: 10.1140/epjc/s10052-014-2872-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 04/23/2014] [Indexed: 06/04/2023]
Abstract
The polarisation of prompt [Formula: see text] mesons is measured by performing an angular analysis of [Formula: see text] decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0[Formula: see text], collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in bins of transverse momentum [Formula: see text] and rapidity [Formula: see text] in the kinematic region [Formula: see text] and [Formula: see text], and is compared to theoretical models. No significant polarisation is observed.
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Aaij R, Adeva B, Adinolfi M, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Gutierrez OA, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Borsato M, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Counts I, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D’Ambrosio C, Dalseno J, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Donleavy S, Dordei F, Dorigo M, Dorosz P, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gianelle A, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Hafkenscheid TW, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Khurewathanakul C, Klaver S, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Liles M, Lindner R, Linn C, Lionetto F, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lowdon P, Lu H, Lucchesi D, Luisier J, Luo H, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Manzali M, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morandin M, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Pappalardo L, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Pistone A, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rama M, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Simi G, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Snoek H, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spinella F, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Stracka S, Straticiuc M, Straumann U, Stroili R, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T’Jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of the [Formula: see text] meson lifetime using [Formula: see text] decays. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2014; 74:2839. [PMID: 25814888 PMCID: PMC4370795 DOI: 10.1140/epjc/s10052-014-2839-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 03/28/2014] [Indexed: 06/04/2023]
Abstract
The lifetime of the [Formula: see text] meson is measured using semileptonic decays having a [Formula: see text] meson and a muon in the final state. The data, corresponding to an integrated luminosity of [Formula: see text], are collected by the LHCb detector in [Formula: see text] collisions at a centre-of-mass energy of 8 TeV. The measured lifetime is [Formula: see text]where the first uncertainty is statistical and the second is systematic.
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Aaij R, Adeva B, Adinolfi M, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Borsato M, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Caponio F, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Cassina L, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Counts I, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, Dalseno J, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Donleavy S, Dordei F, Dorigo M, Dorosz P, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Esen S, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Fu J, Furfaro E, Gallas Torreira A, Galli D, Gambetta S, Gandelman M, Gandini P, Gao Y, Garofoli J, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gavardi L, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gianelle A, Giani' S, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Hafkenscheid TW, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Henry L, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Hussain N, Hutchcroft D, Hynds D, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kelsey M, Kenyon IR, Ketel T, Khanji B, Khurewathanakul C, Klaver S, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Langhans B, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Liles M, Lindner R, Linn C, Lionetto F, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lowdon P, Lu H, Lucchesi D, Luo H, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Manzali M, Maratas J, Marconi U, Marin Benito C, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martinez Vidal F, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morandin M, Morawski P, Mordà A, Morello MJ, Mountain R, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palombo F, Palutan M, Panman J, Papanestis A, Pappagallo M, Pappalardo L, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Pepe Altarelli M, Perazzini S, Perez Trigo E, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Pistone A, Playfer S, Plo Casasus M, Polci F, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rama M, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Reichert S, Reid MM, Dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Simi G, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Snoek H, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spinella F, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Stracka S, Straticiuc M, Straumann U, Stroili R, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Observation of photon polarization in the b→sγ transition. PHYSICAL REVIEW LETTERS 2014; 112:161801. [PMID: 24815636 DOI: 10.1103/physrevlett.112.161801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Indexed: 06/03/2023]
Abstract
This Letter presents a study of the flavor-changing neutral current radiative B±→K±π∓π±γ decays performed using data collected in proton-proton collisions with the LHCb detector at 7 and 8 TeV center-of-mass energies. In this sample, corresponding to an integrated luminosity of 3 fb-1, nearly 14 000 signal events are reconstructed and selected, containing all possible intermediate resonances with a K±π∓π± final state in the [1.1,1.9] GeV/c2 mass range. The distribution of the angle of the photon direction with respect to the plane defined by the final-state hadrons in their rest frame is studied in intervals of K±π∓π± mass and the asymmetry between the number of signal events found on each side of the plane is obtained. The first direct observation of the photon polarization in the b→sγ transition is reported with a significance of 5.2σ.
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Aaij R, Adeva B, Adinolfi M, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Borsato M, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Counts I, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, Dalseno J, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Donleavy S, Dordei F, Dorigo M, Dorosz P, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gianelle A, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Hafkenscheid TW, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Khurewathanakul C, Klaver S, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Liles M, Lindner R, Linn C, Lionetto F, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lowdon P, Lu H, Lucchesi D, Luisier J, Luo H, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Manzali M, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morandin M, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Pappalardo L, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Pistone A, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rama M, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Simi G, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Snoek H, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spinella F, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Stracka S, Straticiuc M, Straumann U, Stroili R, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'Jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Search for Majorana neutrinos in B- → π+ μ- μ- decays. PHYSICAL REVIEW LETTERS 2014; 112:131802. [PMID: 24745405 DOI: 10.1103/physrevlett.112.131802] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Indexed: 06/03/2023]
Abstract
A search for heavy Majorana neutrinos produced in the B- → π+ μ- μ- decay mode is performed using 3 fb(-1) of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies of 7 and 8 TeV at the LHC. Neutrinos with masses in the range 250 to 5000 MeV and lifetimes from zero to 1000 ps are probed. In the absence of a signal, upper limits are set on the branching fraction B(B- → π+ μ- μ-) as functions of neutrino mass and lifetime. These limits are on the order of 10(-9) for short neutrino lifetimes of 1 ps or less. Limits are also set on the coupling between the muon and a possible fourth-generation neutrino.
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Zhang X, Källne J, Gorini G, Nocente M, Fan T, Yuan X, Xie X, Chen Z. Second generation fusion neutron time-of-flight spectrometer at optimized rate for fully digital data acquisition. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:043503. [PMID: 24784603 DOI: 10.1063/1.4869804] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The progress on high-rate event recording of data is taken as starting point to revisit the design of fusion neutron spectrometers based on the TOF (time-of-flight) technique. The study performed was aimed at how such instruments for optimized rate (TOFOR) can be further developed to enhance the plasma diagnostic capabilities based on measurement of the 2.5 MeV dd neutron emission from D plasmas, especially the weak spectral components that depend on discrimination of extraneous events. This paper describes a design (TOFOR II) adapted for use with digital wave form recording of all detector pulses providing information on both amplitude (pulse height) and timing. The results of simulations are presented and the performance enhancement is assessed in comparison to the present.
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Aaij R, Adeva B, Adinolfi M, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Borsato M, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, Dalseno J, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Donleavy S, Dordei F, Dorosz P, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gianelle A, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Hafkenscheid TW, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Klaver S, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Liles M, Lindner R, Linn C, Lionetto F, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lowdon P, Lu H, Lucchesi D, Luisier J, Luo H, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morandin M, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Pappalardo L, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rama M, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, Dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Simi G, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Snoek H, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Stracka S, Straticiuc M, Straumann U, Stroili R, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Warrington N, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of the Bs(0) → Ds-Ds+ and Bs(0) → D-Ds+ effective lifetimes. PHYSICAL REVIEW LETTERS 2014; 112:111802. [PMID: 24702350 DOI: 10.1103/physrevlett.112.111802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Indexed: 06/03/2023]
Abstract
The first measurement of the effective lifetime of the B(s)(0) meson in the decay B(s)(0) → Ds-Ds+ is reported using a proton-proton collision data set, corresponding to an integrated luminosity of 3 fb(-1), collected by the LHCb experiment. The measured value of the B(s)(0) → Ds-Ds+ effective lifetime is 1.379 ± 0.026 ± 0.017 ps, where the uncertainties are statistical and systematic, respectively. This lifetime translates into a measurement of the decay width of the light B(s)(0) mass eigenstate of ΓL = 0.725 ± 0.014 ± 0.009 ps(-1). The B(s)(0) lifetime is also measured using the flavor-specific B(s)(0)→ D-Ds+ decay to be 1.52 ± 0.15 ± 0.01 ps.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andreotti M, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Batozskaya V, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Calabrese R, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fiorini M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Hafkenscheid TW, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Luppi E, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCann M, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Onderwater G, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, Dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'jampens S, Teklishyn M, Tellarini G, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Observation of B(s)(0) → J/ψ f1(1285) decays and measurement of the f1(1285) mixing angle. PHYSICAL REVIEW LETTERS 2014; 112:091802. [PMID: 24655242 DOI: 10.1103/physrevlett.112.091802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Indexed: 06/03/2023]
Abstract
Decays of B(s)(0) and B(0) mesons into J/ψ π+π-π+π- final states, produced in pp collisions at the LHC, are investigated using data corresponding to an integrated luminosity of 3 fb-1 collected with the LHCb detector. B(s)(0) → J/ψ f1(1285) decays are seen for the first time, and the branching fractions are measured. Using these rates, the f1(1285) mixing angle between strange and nonstrange components of its wave function in the qq structure model is determined to be ±(24.0-2.6-0.8+3.1+0.6)°. Implications on the possible tetraquark nature of the f1(1285) are discussed.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurements of indirect CP asymmetries in D0 → K- K+ and D0 → π- π+ decays. PHYSICAL REVIEW LETTERS 2014; 112:041801. [PMID: 24580438 DOI: 10.1103/physrevlett.112.041801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Indexed: 06/03/2023]
Abstract
A study of indirect CP violation in D0 mesons through the determination of the parameter AΓ is presented using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb(-1), collected with the LHCb detector and recorded at the center-of-mass energy of 7 TeV at the LHC. The parameter AΓ is the asymmetry of the effective lifetimes measured in decays of D0 and D0 mesons to the CP eigenstates K- K+ and π- π+. Fits to the data sample yield AΓ(KK)=(-0.35±0.62±0.12)×10(-3) and AΓ(ππ)=(0.33±1.06±0.14)×10(-3), where the first uncertainties are statistical and the second systematic. The results represent the world's best measurements of these quantities. They show no difference in AΓ between the two final states and no indication of CP violation.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of CP violation in the phase space of B± → K+ K- π± and B± → π+ π- π± decays. PHYSICAL REVIEW LETTERS 2014; 112:011801. [PMID: 24483886 DOI: 10.1103/physrevlett.112.011801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Indexed: 06/03/2023]
Abstract
The charmless decays B± → K+ K- π± and B± → π+ π- π± are reconstructed in a data set of pp collisions with an integrated luminosity of 1.0 fb(-1) and center-of-mass energy of 7 TeV, collected by LHCb in 2011. The inclusive charge asymmetries of these modes are measured to be A(CP)(B± → K+ K- π±) = -0.141±0.040 (stat)±0.018 (syst)±0.007(J/ψ K±) and A(CP)(B± → π+ π- π±) = 0.117±0.021 (stat)±0.009 (syst)±0.007(J/ψ K±), where the third uncertainty is due to the CP asymmetry of the B± → J/ψK± reference mode. In addition to the inclusive CP asymmetries, larger asymmetries are observed in localized regions of phase space.
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Zhang S, Liang Y, Yuan X. Improving the prediction accuracy of protein structural class: Approached with alternating word frequency and normalized Lempel–Ziv complexity. J Theor Biol 2014; 341:71-7. [DOI: 10.1016/j.jtbi.2013.10.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 09/08/2013] [Accepted: 10/08/2013] [Indexed: 10/26/2022]
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Badalov A, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dornan P, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grillo L, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rachwal B, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reichert S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rotondo M, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of D0-D0 mixing parameters and search for CP violation using D0 → K+ π- decays. PHYSICAL REVIEW LETTERS 2013; 111:251801. [PMID: 24483738 DOI: 10.1103/physrevlett.111.251801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Indexed: 06/03/2023]
Abstract
Measurements of charm mixing parameters from the decay-time-dependent ratio of D0 → K+ π- to D0 → K- π+ rates and the charge-conjugate ratio are reported. The analysis uses data, corresponding to 3 fb(-1) of integrated luminosity, from proton-proton collisions at 7 and 8 TeV center-of-mass energies recorded by the LHCb experiment. In the limit of charge-parity (CP ) symmetry, the mixing parameters are determined to be x'2=(5.5±4.9)×10(-5), y'=(4.8±1.0)×10(-3), and RD=(3.568±0.066)×10(-3). Allowing for CP violation, the measurement is performed separately for D0 and D0 mesons yielding AD=(-0.7±1.9)%, for the direct CP-violating asymmetry, and 0.75<|q/p|<1.24 at the 68.3% confidence level, for the parameter describing CP violation in mixing. This is the most precise determination of these parameters from a single experiment and shows no evidence for CP violation.
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Zhang B, Hou X, Yuan X, Shih IM, Zhang Z, Clarke R, Wang RR, Fu Y, Madhavan S, Wang Y, Yu G. AISAIC: a software suite for accurate identification of significant aberrations in cancers. ACTA ACUST UNITED AC 2013; 30:431-3. [PMID: 24292941 DOI: 10.1093/bioinformatics/btt693] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
UNLABELLED Accurate identification of significant aberrations in cancers (AISAIC) is a systematic effort to discover potential cancer-driving genes such as oncogenes and tumor suppressors. Two major confounding factors against this goal are the normal cell contamination and random background aberrations in tumor samples. We describe a Java AISAIC package that provides comprehensive analytic functions and graphic user interface for integrating two statistically principled in silico approaches to address the aforementioned challenges in DNA copy number analyses. In addition, the package provides a command-line interface for users with scripting and programming needs to incorporate or extend AISAIC to their customized analysis pipelines. This open-source multiplatform software offers several attractive features: (i) it implements a user friendly complete pipeline from processing raw data to reporting analytic results; (ii) it detects deletion types directly from copy number signals using a Bayes hypothesis test; (iii) it estimates the fraction of normal contamination for each sample; (iv) it produces unbiased null distribution of random background alterations by iterative aberration-exclusive permutations; and (v) it identifies significant consensus regions and the percentage of homozygous/hemizygous deletions across multiple samples. AISAIC also provides users with a parallel computing option to leverage ubiquitous multicore machines. AVAILABILITY AND IMPLEMENTATION AISAIC is available as a Java application, with a user's guide and source code, at https://code.google.com/p/aisaic/.
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Aaij R, Abellan Beteta C, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Burducea I, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Charles M, Charpentier P, Chen P, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cunliffe S, Currie R, D’Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Elsby D, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Gotti C, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hopchev P, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perego DL, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sanmartin Sedes B, Sannino M, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Skwarnicki T, Smith NA, Smith E, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szumlak T, T’Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Urner D, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Young R, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of J/ ψ polarization in pp collisions at [Formula: see text]. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2013; 73:2631. [PMID: 25814848 PMCID: PMC4370894 DOI: 10.1140/epjc/s10052-013-2631-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Revised: 10/15/2013] [Indexed: 05/28/2023]
Abstract
An angular analysis of the decay J/ψ→μ+μ- is performed to measure the polarization of prompt J/ψ mesons produced in pp collisions at [Formula: see text]. The dataset corresponds to an integrated luminosity of 0.37 fb-1 collected with the LHCb detector. The measurement is presented as a function of transverse momentum, pT, and rapidity, y, of the J/ψ meson, in the kinematic region 2
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Abbas E, Abelev B, Adam J, Adamová D, Adare AM, Aggarwal MM, Aglieri Rinella G, Agnello M, Agocs AG, Agostinelli A, Ahammed Z, Ahmad N, Ahmad Masoodi A, Ahmed I, Ahn SA, Ahn SU, Aimo I, Ajaz M, Akindinov A, Aleksandrov D, Alessandro B, Alexandre D, Alici A, Alkin A, Almaráz Aviña E, Alme J, Alt T, Altini V, Altinpinar S, Altsybeev I, Andrei C, Andronic A, Anguelov V, Anielski J, Anson C, Antičić T, Antinori F, Antonioli P, Aphecetche L, Appelshäuser H, Arbor N, Arcelli S, Arend A, Armesto N, Arnaldi R, Aronsson T, Arsene IC, Arslandok M, Asryan A, Augustinus A, Averbeck R, Awes TC, Äystö J, Azmi MD, Bach M, Badalà A, Baek YW, Bailhache R, Bala R, Baldisseri A, Baltasar Dos Santos Pedrosa F, Bán J, Baral RC, Barbera R, Barile F, Barnaföldi GG, Barnby LS, Barret V, Bartke J, Basile M, Bastid N, Basu S, Bathen B, Batigne G, Batyunya B, Batzing PC, Baumann C, Bearden IG, Beck H, Behera NK, Belikov I, Bellini F, Bellwied R, Belmont-Moreno E, Bencedi G, Beole S, Berceanu I, Bercuci A, Berdnikov Y, Berenyi D, Bergognon AAE, Bertens RA, Berzano D, Betev L, Bhasin A, Bhati AK, Bhom J, Bianchi L, Bianchi N, Bianchin C, Bielčík J, Bielčíková J, Bilandzic A, Bjelogrlic S, Blanco F, Blanco F, Blau D, Blume C, Boccioli M, Böttger S, Bogdanov A, Bøggild H, Bogolyubsky M, Boldizsár L, Bombara M, Book J, Borel H, Borissov A, Bossú F, Botje M, Botta E, Braidot E, Braun-Munzinger P, Bregant M, Breitner T, Broker TA, Browning TA, Broz M, Brun R, Bruna E, Bruno GE, Budnikov D, Buesching H, Bufalino S, Buncic P, Busch O, Buthelezi Z, Caffarri D, Cai X, Caines H, Calvo Villar E, Camerini P, Canoa Roman V, Cara Romeo G, Carena W, Carena F, Carlin Filho N, Carminati F, Casanova Díaz A, Castillo Castellanos J, Castillo Hernandez JF, Casula EAR, Catanescu V, Cavicchioli C, Ceballos Sanchez C, Cepila J, Cerello P, Chang B, Chapeland S, Charvet JL, Chattopadhyay S, Chattopadhyay S, Cherney M, Cheshkov C, Cheynis B, Chibante Barroso V, Chinellato DD, Chochula P, Chojnacki M, Choudhury S, Christakoglou P, Christensen CH, Christiansen P, Chujo T, Chung SU, Cicalo C, Cifarelli L, Cindolo F, Cleymans J, Colamaria F, Colella D, Collu A, Conesa Balbastre G, Conesa del Valle Z, Connors ME, Contin G, Contreras JG, Cormier TM, Corrales Morales Y, Cortese P, Cortés Maldonado I, Cosentino MR, Costa F, Cotallo ME, Crescio E, Crochet P, Cruz Alaniz E, Cruz Albino R, Cuautle E, Cunqueiro L, Dainese A, Dang R, Danu A, Das K, Das I, Das S, Das D, Dash S, Dash A, De S, de Barros GOV, De Caro A, de Cataldo G, de Cuveland J, De Falco A, De Gruttola D, Delagrange H, Deloff A, De Marco N, Dénes E, De Pasquale S, Deppman A, D Erasmo G, de Rooij R, Diaz Corchero MA, Di Bari D, Dietel T, Di Giglio C, Di Liberto S, Di Mauro A, Di Nezza P, Divià R, Djuvsland Ø, Dobrin A, Dobrowolski T, Dönigus B, Dordic O, Dubey AK, Dubla A, Ducroux L, Dupieux P, Dutta Majumdar AK, Elia D, Emschermann D, Engel H, Erazmus B, Erdal HA, Eschweiler D, Espagnon B, Estienne M, Esumi S, Evans D, Evdokimov S, Eyyubova G, Fabris D, Faivre J, Falchieri D, Fantoni A, Fasel M, Fehlker D, Feldkamp L, Felea D, Feliciello A, Fenton-Olsen B, Feofilov G, Fernández Téllez A, Ferretti A, Festanti A, Figiel J, Figueredo MAS, Filchagin S, Finogeev D, Fionda FM, Fiore EM, Floratos E, Floris M, Foertsch S, Foka P, Fokin S, Fragiacomo E, Francescon A, Frankenfeld U, Fuchs U, Furget C, Fusco Girard M, Gaardhøje JJ, Gagliardi M, Gago A, Gallio M, Gangadharan DR, Ganoti P, Garabatos C, Garcia-Solis E, Gargiulo C, Garishvili I, Gerhard J, Germain M, Geuna C, Gheata M, Gheata A, Ghidini B, Ghosh P, Gianotti P, Giubellino P, Gladysz-Dziadus E, Glässel P, Gomez R, Ferreiro EG, González-Trueba LH, González-Zamora P, Gorbunov S, Goswami A, Gotovac S, Graczykowski LK, Grajcarek R, Grelli A, Grigoras C, Grigoras A, Grigoriev V, Grigoryan A, Grigoryan S, Grinyov B, Grion N, Gros P, Grosse-Oetringhaus JF, Grossiord JY, Grosso R, Guber F, Guernane R, Guerzoni B, Guilbaud M, Gulbrandsen K, Gulkanyan H, Gunji T, Gupta A, Gupta R, Haake R, Haaland Ø, Hadjidakis C, Haiduc M, Hamagaki H, Hamar G, Han BH, Hanratty LD, Hansen A, Harmanová-Tóthová Z, Harris JW, Hartig M, Harton A, Hatzifotiadou D, Hayashi S, Hayrapetyan A, Heckel ST, Heide M, Helstrup H, Herghelegiu A, Herrera Corral G, Herrmann N, Hess BA, Hetland KF, Hicks B, Hippolyte B, Hori Y, Hristov P, Hřivnáčová I, Huang M, Humanic TJ, Hwang DS, Ichou R, Ilkaev R, Ilkiv I, Inaba M, Incani E, Innocenti GM, Innocenti PG, Ippolitov M, Irfan M, Ivan C, Ivanov M, Ivanov A, Ivanov V, Ivanytskyi O, Jachołkowski A, Jacobs PM, Jahnke C, Jang HJ, Janik MA, Jayarathna PHSY, Jena S, Jha DM, Jimenez Bustamante RT, Jones PG, Jung H, Jusko A, Kaidalov AB, Kalcher S, Kaliňák P, Kalliokoski T, Kalweit A, Kang JH, Kaplin V, Kar S, Karasu Uysal A, Karavichev O, Karavicheva T, Karpechev E, Kazantsev A, Kebschull U, Keidel R, Ketzer B, Khan MM, Khan P, Khan SA, Khan KH, Khanzadeev A, Kharlov Y, Kileng B, Kim M, Kim T, Kim B, Kim S, Kim M, Kim DJ, Kim JS, Kim JH, Kim DW, Kirsch S, Kisel I, Kiselev S, Kisiel A, Klay JL, Klein J, Klein-Bösing C, Kliemant M, Kluge A, Knichel ML, Knospe AG, Köhler MK, Kollegger T, Kolojvari A, Kompaniets M, Kondratiev V, Kondratyeva N, Konevskikh A, Kovalenko V, Kowalski M, Kox S, Koyithatta Meethaleveedu G, Kral J, Králik I, Kramer F, Kravčáková A, Krelina M, Kretz M, Krivda M, Krizek F, Krus M, Kryshen E, Krzewicki M, Kucera V, Kucheriaev Y, Kugathasan T, Kuhn C, Kuijer PG, Kulakov I, Kumar J, Kurashvili P, Kurepin A, Kurepin AB, Kuryakin A, Kushpil V, Kushpil S, Kvaerno H, Kweon MJ, Kwon Y, Ladrón de Guevara P, Lagana Fernandes C, Lakomov I, Langoy R, La Pointe SL, Lara C, Lardeux A, La Rocca P, Lea R, Lechman M, Lee SC, Lee GR, Legrand I, Lehnert J, Lemmon RC, Lenhardt M, Lenti V, León H, Leoncino M, León Monzón I, Lévai P, Li S, Lien J, Lietava R, Lindal S, Lindenstruth V, Lippmann C, Lisa MA, Ljunggren HM, Lodato DF, Loenne PI, Loggins VR, Loginov V, Lohner D, Loizides C, Loo KK, Lopez X, López Torres E, Løvhøiden G, Lu XG, Luettig P, Lunardon M, Luo J, Luparello G, Luzzi C, Ma R, Ma K, Madagodahettige-Don DM, Maevskaya A, Mager M, Mahapatra DP, Maire A, Malaev M, Maldonado Cervantes I, Malinina L, Mal’Kevich D, Malzacher P, Mamonov A, Manceau L, Mangotra L, Manko V, Manso F, Manzari V, Mao Y, Marchisone M, Mareš J, Margagliotti GV, Margotti A, Marín A, Markert C, Marquard M, Martashvili I, Martin NA, Martinengo P, Martínez MI, Martínez García G, Martynov Y, Mas A, Masciocchi S, Masera M, Masoni A, Massacrier L, Mastroserio A, Matyja A, Mayer C, Mazer J, Mazumder R, Mazzoni MA, Meddi F, Menchaca-Rocha A, Mercado Pérez J, Meres M, Miake Y, Mikhaylov K, Milano L, Milosevic J, Mischke A, Mishra AN, Miśkowiec D, Mitu C, Mizuno S, Mlynarz J, Mohanty B, Molnar L, Montaño Zetina L, Monteno M, Montes E, Moon T, Morando M, Moreira De Godoy DA, Moretto S, Morreale A, Morsch A, Muccifora V, Mudnic E, Muhuri S, Mukherjee M, Müller H, Munhoz MG, Murray S, Musa L, Musinsky J, Nandi BK, Nania R, Nappi E, Nattrass C, Nayak TK, Nazarenko S, Nedosekin A, Nicassio M, Niculescu M, Nielsen BS, Niida T, Nikolaev S, Nikolic V, Nikulin S, Nikulin V, Nilsen BS, Nilsson MS, Noferini F, Nomokonov P, Nooren G, Nyanin A, Nyatha A, Nygaard C, Nystrand J, Ochirov A, Oeschler H, Oh S, Oh SK, Oleniacz J, Oliveira Da Silva AC, Onderwaater J, Oppedisano C, Ortiz Velasquez A, Oskarsson A, Ostrowski P, Otwinowski J, Oyama K, Ozawa K, Pachmayer Y, Pachr M, Padilla F, Pagano P, Paić G, Painke F, Pajares C, Pal SK, Palaha A, Palmeri A, Papikyan V, Pappalardo GS, Park WJ, Passfeld A, Patalakha DI, Paticchio V, Paul B, Pavlinov A, Pawlak T, Peitzmann T, Pereira Da Costa H, Pereira De Oliveira Filho E, Peresunko D, Pérez Lara CE, Perrino D, Peryt W, Pesci A, Pestov Y, Petráček V, Petran M, Petris M, Petrov P, Petrovici M, Petta C, Piano S, Pikna M, Pillot P, Pinazza O, Pinsky L, Pitz N, Piyarathna DB, Planinic M, Płoskoń M, Pluta J, Pocheptsov T, Pochybova S, Podesta-Lerma PLM, Poghosyan MG, Polák K, Polichtchouk B, Poljak N, Pop A, Porteboeuf-Houssais S, Pospíšil V, Potukuchi B, Prasad SK, Preghenella R, Prino F, Pruneau CA, Pshenichnov I, Puddu G, Punin V, Putschke J, Qvigstad H, Rachevski A, Rademakers A, Räihä TS, Rak J, Rakotozafindrabe A, Ramello L, Raniwala S, Raniwala R, Räsänen SS, Rascanu BT, Rathee D, Rauch W, Rauf AW, Razazi V, Read KF, Real JS, Redlich K, Reed RJ, Rehman A, Reichelt P, Reicher M, Renfordt R, Reolon AR, Reshetin A, Rettig F, Revol JP, Reygers K, Riccati L, Ricci RA, Richert T, Richter M, Riedler P, Riegler W, Riggi F, Rivetti A, Rodríguez Cahuantzi M, Rodriguez Manso A, Røed K, Rogochaya E, Rohr D, Röhrich D, Romita R, Ronchetti F, Rosnet P, Rossegger S, Rossi A, Roy P, Roy C, Rubio Montero AJ, Rui R, Russo R, Ryabinkin E, Rybicki A, Sadovsky S, Šafařík K, Sahoo R, Sahu PK, Saini J, Sakaguchi H, Sakai S, Sakata D, Salgado CA, Salzwedel J, Sambyal S, Samsonov V, Sanchez Castro X, Šándor L, Sandoval A, Sano M, Santagati G, Santoro R, Sarkamo J, Sarkar D, Scapparone E, Scarlassara F, Scharenberg RP, Schiaua C, Schicker R, Schmidt HR, Schmidt C, Schuchmann S, Schukraft J, Schuster T, Schutz Y, Schwarz K, Schweda K, Scioli G, Scomparin E, Scott R, Scott PA, Segato G, Selyuzhenkov I, Senyukov S, Seo J, Serci S, Serradilla E, Sevcenco A, Shabetai A, Shabratova G, Shahoyan R, Sharma S, Sharma N, Rohni S, Shigaki K, Shtejer K, Sibiriak Y, Sicking E, Siddhanta S, Siemiarczuk T, Silvermyr D, Silvestre C, Simatovic G, Simonetti G, Singaraju R, Singh R, Singha S, Singhal V, Sinha T, Sinha BC, Sitar B, Sitta M, Skaali TB, Skjerdal K, Smakal R, Smirnov N, Snellings RJM, Søgaard C, Soltz R, Song M, Song J, Soos C, Soramel F, Sputowska I, Spyropoulou-Stassinaki M, Srivastava BK, Stachel J, Stan I, Stefanek G, Steinpreis M, Stenlund E, Steyn G, Stiller JH, Stocco D, Stolpovskiy M, Strmen P, Suaide AAP, Subieta Vásquez MA, Sugitate T, Suire C, Suleymanov M, Sultanov R, Šumbera M, Susa T, Symons TJM, Szanto de Toledo A, Szarka I, Szczepankiewicz A, Szymański M, Takahashi J, Tangaro MA, Tapia Takaki JD, Tarantola Peloni A, Tarazona Martinez A, Tauro A, Tejeda Muñoz G, Telesca A, Ter Minasyan A, Terrevoli C, Thäder J, Thomas D, Tieulent R, Timmins AR, Tlusty D, Toia A, Torii H, Toscano L, Trubnikov V, Truesdale D, Trzaska WH, Tsuji T, Tumkin A, Turrisi R, Tveter TS, Ulery J, Ullaland K, Ulrich J, Uras A, Urciuoli GM, Usai GL, Vajzer M, Vala M, Valencia Palomo L, Vallero S, Vande Vyvre P, Van Hoorne JW, van Leeuwen M, Vannucci L, Vargas A, Varma R, Vasileiou M, Vasiliev A, Vechernin V, Veldhoen M, Venaruzzo M, Vercellin E, Vergara S, Vernet R, Verweij M, Vickovic L, Viesti G, Viinikainen J, Vilakazi Z, Villalobos Baillie O, Vinogradov Y, Vinogradov L, Vinogradov A, Virgili T, Viyogi YP, Vodopyanov A, Völkl MA, Voloshin S, Voloshin K, Volpe G, von Haller B, Vorobyev I, Vranic D, Vrláková J, Vulpescu B, Vyushin A, Wagner V, Wagner B, Wan R, Wang Y, Wang Y, Wang M, Watanabe K, Weber M, Wessels JP, Westerhoff U, Wiechula J, Wikne J, Wilde M, Wilk G, Williams MCS, Windelband B, Yaldo CG, Yamaguchi Y, Yang S, Yang P, Yang H, Yasnopolskiy S, Yi J, Yin Z, Yoo IK, Yoon J, Yuan X, Yushmanov I, Zaccolo V, Zach C, Zampolli C, Zaporozhets S, Zarochentsev A, Závada P, Zaviyalov N, Zbroszczyk H, Zelnicek P, Zgura IS, Zhalov M, Zhang Y, Zhang H, Zhang X, Zhou D, Zhou Y, Zhou F, Zhu H, Zhu J, Zhu X, Zhu J, Zichichi A, Zimmermann A, Zinovjev G, Zoccarato Y, Zynovyev M, Zyzak M. Charmonium and e+e- pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at [Formula: see text]. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2013; 73:2617. [PMID: 25814847 PMCID: PMC4371050 DOI: 10.1140/epjc/s10052-013-2617-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 08/19/2013] [Indexed: 06/04/2023]
Abstract
The ALICE Collaboration at the LHC has measured the J/ψ and ψ' photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at [Formula: see text]. The charmonium is identified via its leptonic decay for events where the hadronic activity is required to be minimal. The analysis is based on an event sample corresponding to an integrated luminosity of about 23 μb-1. The cross section for coherent and incoherent J/ψ production in the rapidity interval -0.9
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Burducea I, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Chen P, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Gotti C, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hess M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hopchev P, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Keune A, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palczewski T, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Sannino M, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skwarnicki T, Smith NA, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Urner D, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Van Dijk M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Young R, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of form-factor-independent observables in the decay B0→K(*0)μ(+)μ(-). PHYSICAL REVIEW LETTERS 2013; 111:191801. [PMID: 24266467 DOI: 10.1103/physrevlett.111.191801] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Indexed: 06/02/2023]
Abstract
We present a measurement of form-factor-independent angular observables in the decay B(0)→K*(892)(0)μ(+)μ(-). The analysis is based on a data sample corresponding to an integrated luminosity of 1.0 fb(-1), collected by the LHCb experiment in pp collisions at a center-of-mass energy of 7 TeV. Four observables are measured in six bins of the dimuon invariant mass squared q² in the range 0.1<q²<19.0 GeV²/c(4). Agreement with recent theoretical predictions of the standard model is found for 23 of the 24 measurements. A local discrepancy, corresponding to 3.7 Gaussian standard deviations is observed in one q² bin for one of the observables. Considering the 24 measurements as independent, the probability to observe such a discrepancy, or larger, in one is 0.5%.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Cassina L, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Chen P, Cheung SF, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Heß M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Lupton O, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, Dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues AB, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Sutcliffe W, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szilard D, Szumlak T, T'jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, de Vries JA, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Observation of the decay B(c)(+) → B(s)(0)π+. PHYSICAL REVIEW LETTERS 2013; 111:181801. [PMID: 24237507 DOI: 10.1103/physrevlett.111.181801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Indexed: 06/02/2023]
Abstract
The result of a search for the decay B(c)(+) → B(s)(0) π+ is presented, using the B(s)(0) → D(s)(-)π+ and B(s)(0) → J/ψ Ø channels. The analysis is based on a data sample of pp collisions collected with the LHCb detector, corresponding to an integrated luminosity of 1 fb(-1) taken at a center-of-mass energy of 7 TeV, and 2 fb(-1) taken at 8 TeV. The decay B(c)(+) → B(s)(0)π+ is observed with significance in excess of 5 standard deviations independently in both decay channels. The measured product of the ratio of cross sections and branching fraction is [σ(B(c)(+))/σ(B(s)(0))] × B(B(c)(+)→ B(s)(0)π+) = [2.37 ± 0.31 (stat)± 0.11 (syst)(-0.13)(+0.17)(τ(B)(c)(+)))] × 10(-3), in the pseudorapidity range 2<η(B)<5, where the first uncertainty is statistical, the second is systematic, and the third is due to the uncertainty on the B(c)(+) lifetime. This is the first observation of a B meson decaying to another B meson via the weak interaction.
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Pang K, Tang Q, Schiffbauer JD, Yao J, Yuan X, Wan B, Chen L, Ou Z, Xiao S. The nature and origin of nucleus-like intracellular inclusions in Paleoproterozoic eukaryote microfossils. GEOBIOLOGY 2013; 11:499-510. [PMID: 24033870 DOI: 10.1111/gbi.12053] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Accepted: 07/23/2013] [Indexed: 05/19/2023]
Abstract
The well-known debate on the nature and origin of intracellular inclusions (ICIs) in silicified microfossils from the early Neoproterozoic Bitter Springs Formation has recently been revived by reports of possible fossilized nuclei in phosphatized animal embryo-like fossils from the Ediacaran Doushantuo Formation of South China. The revisitation of this discussion prompted a critical and comprehensive investigation of ICIs in some of the oldest indisputable eukaryote microfossils-the ornamented acritarchs Dictyosphaera delicata and Shuiyousphaeridium macroreticulatum from the Paleoproterozoic Ruyang Group of North China-using a suite of characterization approaches: scanning electron microscopy (SEM), transmission electron microscopy (TEM), and focused ion beam scanning electron microscopy (FIB-SEM). Although the Ruyang acritarchs must have had nuclei when alive, our data suggest that their ICIs represent neither fossilized nuclei nor taphonomically condensed cytoplasm. We instead propose that these ICIs likely represent biologically contracted and consolidated eukaryotic protoplasts (the combination of the nucleus, surrounding cytoplasm, and plasma membrane). As opposed to degradational contraction of prokaryotic cells within a mucoidal sheath-a model proposed to explain the Bitter Springs ICIs-our model implies that protoplast condensation in the Ruyang acritarchs was an in vivo biologically programmed response to adverse conditions in preparation for encystment. While the discovery of bona fide nuclei in Paleoproterozoic acritarchs would be a substantial landmark in our understanding of eukaryote evolution, the various processes (such as degradational and biological condensation of protoplasts) capable of producing nuclei-mimicking structures require that interpretation of ICIs as fossilized nuclei be based on comprehensive investigations.
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Abbas E, Abelev B, Adam J, Adamová D, Adare AM, Aggarwal MM, Aglieri Rinella G, Agnello M, Agocs AG, Agostinelli A, Ahammed Z, Ahmad N, Ahmad Masoodi A, Ahn SA, Ahn SU, Aimo I, Ajaz M, Akindinov A, Aleksandrov D, Alessandro B, Alici A, Alkin A, Almaráz Aviña E, Alme J, Alt T, Altini V, Altinpinar S, Altsybeev I, Andrei C, Andronic A, Anguelov V, Anielski J, Anson C, Antičić T, Antinori F, Antonioli P, Aphecetche L, Appelshäuser H, Arbor N, Arcelli S, Arend A, Armesto N, Arnaldi R, Aronsson T, Arsene IC, Arslandok M, Asryan A, Augustinus A, Averbeck R, Awes TC, Äystö J, Azmi MD, Bach M, Badalà A, Baek YW, Bailhache R, Bala R, Baldisseri A, Baltasar Dos Santos Pedrosa F, Bán J, Baral RC, Barbera R, Barile F, Barnaföldi GG, Barnby LS, Barret V, Bartke J, Basile M, Bastid N, Basu S, Bathen B, Batigne G, Batyunya B, Batzing PC, Baumann C, Bearden IG, Beck H, Behera NK, Belikov I, Bellini F, Bellwied R, Belmont-Moreno E, Bencedi G, Beole S, Berceanu I, Bercuci A, Berdnikov Y, Berenyi D, Bergognon AAE, Bertens RA, Berzano D, Betev L, Bhasin A, Bhati AK, Bhom J, Bianchi N, Bianchi L, Bianchin C, Bielčík J, Bielčíková J, Bilandzic A, Bjelogrlic S, Blanco F, Blanco F, Blau D, Blume C, Boccioli M, Böttger S, Bogdanov A, Bøggild H, Bogolyubsky M, Boldizsár L, Bombara M, Book J, Borel H, Borissov A, Bossú F, Botje M, Botta E, Braidot E, Braun-Munzinger P, Bregant M, Breitner T, Broker TA, Browning TA, Broz M, Brun R, Bruna E, Bruno GE, Budnikov D, Buesching H, Bufalino S, Buncic P, Busch O, Buthelezi Z, Caffarri D, Cai X, Caines H, Calvo Villar E, Camerini P, Canoa Roman V, Cara Romeo G, Carena W, Carena F, Carlin Filho N, Carminati F, Casanova Díaz A, Castillo Castellanos J, Castillo Hernandez JF, Casula EAR, Catanescu V, Cavicchioli C, Ceballos Sanchez C, Cepila J, Cerello P, Chang B, Chapeland S, Charvet JL, Chattopadhyay S, Chattopadhyay S, Cherney M, Cheshkov C, Cheynis B, Chibante Barroso V, Chinellato DD, Chochula P, Chojnacki M, Choudhury S, Christakoglou P, Christensen CH, Christiansen P, Chujo T, Chung SU, Cicalo C, Cifarelli L, Cindolo F, Cleymans J, Colamaria F, Colella D, Collu A, Conesa Balbastre G, Conesa del Valle Z, Connors ME, Contin G, Contreras JG, Cormier TM, Corrales Morales Y, Cortese P, Cortés Maldonado I, Cosentino MR, Costa F, Cotallo ME, Crescio E, Crochet P, Cruz Alaniz E, Cruz Albino R, Cuautle E, Cunqueiro L, Dainese A, Dang R, Danu A, Das D, Das K, Das S, Das I, Dash A, Dash S, De S, de Barros GOV, De Caro A, de Cataldo G, de Cuveland J, De Falco A, De Gruttola D, Delagrange H, Deloff A, De Marco N, Dénes E, De Pasquale S, Deppman A, D'Erasmo G, de Rooij R, Diaz Corchero MA, Di Bari D, Dietel T, Di Giglio C, Di Liberto S, Di Mauro A, Di Nezza P, Divià R, Djuvsland Ø, Dobrin A, Dobrowolski T, Dönigus B, Dordic O, Driga O, Dubey AK, Dubla A, Ducroux L, Dupieux P, Dutta Majumdar AK, Elia D, Emschermann D, Engel H, Erazmus B, Erdal HA, Eschweiler D, Espagnon B, Estienne M, Esumi S, Evans D, Evdokimov S, Eyyubova G, Fabris D, Faivre J, Falchieri D, Fantoni A, Fasel M, Fehlker D, Feldkamp L, Felea D, Feliciello A, Fenton-Olsen B, Feofilov G, Fernández Téllez A, Ferretti A, Festanti A, Figiel J, Figueredo MAS, Filchagin S, Finogeev D, Fionda FM, Fiore EM, Floratos E, Floris M, Foertsch S, Foka P, Fokin S, Fragiacomo E, Francescon A, Frankenfeld U, Fuchs U, Furget C, Fusco Girard M, Gaardhøje JJ, Gagliardi M, Gago A, Gallio M, Gangadharan DR, Ganoti P, Garabatos C, Garcia-Solis E, Gargiulo C, Garishvili I, Gerhard J, Germain M, Geuna C, Gheata A, Gheata M, Ghidini B, Ghosh P, Gianotti P, Girard MR, Giubellino P, Gladysz-Dziadus E, Glässel P, Gomez R, Ferreiro EG, González-Trueba LH, González-Zamora P, Gorbunov S, Goswami A, Gotovac S, Graczykowski LK, Grajcarek R, Grelli A, Grigoras A, Grigoras C, Grigoriev V, Grigoryan A, Grigoryan S, Grinyov B, Grion N, Gros P, Grosse-Oetringhaus JF, Grossiord JY, Grosso R, Guber F, Guernane R, Guerzoni B, Guilbaud M, Gulbrandsen K, Gulkanyan H, Gunji T, Gupta A, Gupta R, Haake R, Haaland Ø, Hadjidakis C, Haiduc M, Hamagaki H, Hamar G, Han BH, Hanratty LD, Hansen A, Harmanová-Tóthová Z, Harris JW, Hartig M, Harton A, Hatzifotiadou D, Hayashi S, Hayrapetyan A, Heckel ST, Heide M, Helstrup H, Herghelegiu A, Herrera Corral G, Herrmann N, Hess BA, Hetland KF, Hicks B, Hippolyte B, Hori Y, Hristov P, Hřivnáčová I, Huang M, Humanic TJ, Hwang DS, Ichou R, Ilkaev R, Ilkiv I, Inaba M, Incani E, Innocenti PG, Innocenti GM, Ippolitov M, Irfan M, Ivan C, Ivanov M, Ivanov V, Ivanov A, Ivanytskyi O, Jachołkowski A, Jacobs PM, Jahnke C, Jang HJ, Janik MA, Jayarathna PHSY, Jena S, Jha DM, Jimenez Bustamante RT, Jones PG, Jung H, Jusko A, Kaidalov AB, Kalcher S, Kaliňák P, Kalliokoski T, Kalweit A, Kang JH, Kaplin V, Kar S, Karasu Uysal A, Karavichev O, Karavicheva T, Karpechev E, Kazantsev A, Kebschull U, Keidel R, Ketzer B, Khan SA, Khan MM, Khan P, Khan KH, Khanzadeev A, Kharlov Y, Kileng B, Kim M, Kim S, Kim M, Kim JS, Kim JH, Kim T, Kim B, Kim DJ, Kim DW, Kirsch S, Kisel I, Kiselev S, Kisiel A, Klay JL, Klein J, Klein-Bösing C, Kliemant M, Kluge A, Knichel ML, Knospe AG, Köhler MK, Kollegger T, Kolojvari A, Kompaniets M, Kondratiev V, Kondratyeva N, Konevskikh A, Kovalenko V, Kowalski M, Kox S, Koyithatta Meethaleveedu G, Kral J, Králik I, Kramer F, Kravčáková A, Krelina M, Kretz M, Krivda M, Krizek F, Krus M, Kryshen E, Krzewicki M, Kucera V, Kucheriaev Y, Kugathasan T, Kuhn C, Kuijer PG, Kulakov I, Kumar J, Kurashvili P, Kurepin A, Kurepin AB, Kuryakin A, Kushpil S, Kushpil V, Kvaerno H, Kweon MJ, Kwon Y, Ladrón de Guevara P, Lakomov I, Langoy R, La Pointe SL, Lara C, Lardeux A, La Rocca P, Lea R, Lechman M, Lee SC, Lee GR, Legrand I, Lehnert J, Lemmon RC, Lenhardt M, Lenti V, León H, Leoncino M, León Monzón I, Lévai P, Li S, Lien J, Lietava R, Lindal S, Lindenstruth V, Lippmann C, Lisa MA, Ljunggren HM, Lodato DF, Loenne PI, Loggins VR, Loginov V, Lohner D, Loizides C, Loo KK, Lopez X, López Torres E, Løvhøiden G, Lu XG, Luettig P, Lunardon M, Luo J, Luparello G, Luzzi C, Ma R, Ma K, Madagodahettige-Don DM, Maevskaya A, Mager M, Mahapatra DP, Maire A, Malaev M, Maldonado Cervantes I, Malinina L, Mal'Kevich D, Malzacher P, Mamonov A, Manceau L, Mangotra L, Manko V, Manso F, Manukyan N, Manzari V, Mao Y, Marchisone M, Mareš J, Margagliotti GV, Margotti A, Marín A, Markert C, Marquard M, Martashvili I, Martin NA, Martinengo P, Martínez MI, Martínez Davalos A, Martínez García G, Martynov Y, Mas A, Masciocchi S, Masera M, Masoni A, Massacrier L, Mastroserio A, Matyja A, Mayer C, Mazer J, Mazzoni MA, Meddi F, Menchaca-Rocha A, Mercado Pérez J, Meres M, Miake Y, Mikhaylov K, Milano L, Milosevic J, Mischke A, Mishra AN, Miśkowiec D, Mitu C, Mizuno S, Mlynarz J, Mohanty B, Molnar L, Montaño Zetina L, Monteno M, Montes E, Moon T, Morando M, Moreira De Godoy DA, Moretto S, Morreale A, Morsch A, Muccifora V, Mudnic E, Muhuri S, Mukherjee M, Müller H, Munhoz MG, Murray S, Musa L, Musinsky J, Nandi BK, Nania R, Nappi E, Nattrass C, Nayak TK, Nazarenko S, Nedosekin A, Nicassio M, Niculescu M, Nielsen BS, Niida T, Nikolaev S, Nikolic V, Nikulin S, Nikulin V, Nilsen BS, Nilsson MS, Noferini F, Nomokonov P, Nooren G, Nyanin A, Nyatha A, Nygaard C, Nystrand J, Ochirov A, Oeschler H, Oh S, Oh SK, Oleniacz J, Oliveira Da Silva AC, Oppedisano C, Ortiz Velasquez A, Oskarsson A, Ostrowski P, Otwinowski J, Oyama K, Ozawa K, Pachmayer Y, Pachr M, Padilla F, Pagano P, Paić G, Painke F, Pajares C, Pal SK, Palaha A, Palmeri A, Papikyan V, Pappalardo GS, Park WJ, Passfeld A, Patalakha DI, Paticchio V, Paul B, Pavlinov A, Pawlak T, Peitzmann T, Pereira Da Costa H, Pereira De Oliveira Filho E, Peresunko D, Pérez Lara CE, Perrino D, Peryt W, Pesci A, Pestov Y, Petráček V, Petran M, Petris M, Petrov P, Petrovici M, Petta C, Piano S, Pikna M, Pillot P, Pinazza O, Pinsky L, Pitz N, Piyarathna DB, Planinic M, Płoskoń M, Pluta J, Pocheptsov T, Pochybova S, Podesta-Lerma PLM, Poghosyan MG, Polák K, Polichtchouk B, Poljak N, Pop A, Porteboeuf-Houssais S, Pospíšil V, Potukuchi B, Prasad SK, Preghenella R, Prino F, Pruneau CA, Pshenichnov I, Puddu G, Punin V, Putiš M, Putschke J, Qvigstad H, Rachevski A, Rademakers A, Räihä TS, Rak J, Rakotozafindrabe A, Ramello L, Raniwala S, Raniwala R, Räsänen SS, Rascanu BT, Rathee D, Rauch W, Read KF, Real JS, Redlich K, Reed RJ, Rehman A, Reichelt P, Reicher M, Renfordt R, Reolon AR, Reshetin A, Rettig F, Revol JP, Reygers K, Riccati L, Ricci RA, Richert T, Richter M, Riedler P, Riegler W, Riggi F, Rodríguez Cahuantzi M, Rodriguez Manso A, Røed K, Rogochaya E, Rohr D, Röhrich D, Romita R, Ronchetti F, Rosnet P, Rossegger S, Rossi A, Roy P, Roy C, Rubio Montero AJ, Rui R, Russo R, Ryabinkin E, Rybicki A, Sadovsky S, Šafařík K, Sahoo R, Sahu PK, Saini J, Sakaguchi H, Sakai S, Sakata D, Salgado CA, Salzwedel J, Sambyal S, Samsonov V, Sanchez Castro X, Šándor L, Sandoval A, Sano M, Santagati G, Santoro R, Sarkamo J, Sarkar D, Scapparone E, Scarlassara F, Scharenberg RP, Schiaua C, Schicker R, Schmidt HR, Schmidt C, Schuchmann S, Schukraft J, Schuster T, Schutz Y, Schwarz K, Schweda K, Scioli G, Scomparin E, Scott R, Scott PA, Segato G, Selyuzhenkov I, Senyukov S, Seo J, Serci S, Serradilla E, Sevcenco A, Shabetai A, Shabratova G, Shahoyan R, Sharma N, Sharma S, Rohni S, Shigaki K, Shtejer K, Sibiriak Y, Sicking E, Siddhanta S, Siemiarczuk T, Silvermyr D, Silvestre C, Simatovic G, Simonetti G, Singaraju R, Singh R, Singha S, Singhal V, Sinha BC, Sinha T, Sitar B, Sitta M, Skaali TB, Skjerdal K, Smakal R, Smirnov N, Snellings RJM, Søgaard C, Soltz R, Song M, Song J, Soos C, Soramel F, Sputowska I, Spyropoulou-Stassinaki M, Srivastava BK, Stachel J, Stan I, Stefanek G, Steinpreis M, Stenlund E, Steyn G, Stiller JH, Stocco D, Stolpovskiy M, Strmen P, Suaide AAP, Subieta Vásquez MA, Sugitate T, Suire C, Sultanov R, Šumbera M, Susa T, Symons TJM, Szanto de Toledo A, Szarka I, Szczepankiewicz A, Szymański M, Takahashi J, Tangaro MA, Tapia Takaki JD, Tarantola Peloni A, Tarazona Martinez A, Tauro A, Tejeda Muñoz G, Telesca A, Ter Minasyan A, Terrevoli C, Thäder J, Thomas D, Tieulent R, Timmins AR, Tlusty D, Toia A, Torii H, Toscano L, Trubnikov V, Truesdale D, Trzaska WH, Tsuji T, Tumkin A, Turrisi R, Tveter TS, Ulery J, Ullaland K, Ulrich J, Uras A, Urciuoli GM, Usai GL, Vajzer M, Vala M, Valencia Palomo L, Vande Vyvre P, Van Hoorne JW, van Leeuwen M, Vannucci L, Vargas A, Varma R, Vasileiou M, Vasiliev A, Vechernin V, Veldhoen M, Venaruzzo M, Vercellin E, Vergara S, Vernet R, Verweij M, Vickovic L, Viesti G, Viinikainen J, Vilakazi Z, Villalobos Baillie O, Vinogradov Y, Vinogradov L, Vinogradov A, Virgili T, Viyogi YP, Vodopyanov A, Völkl MA, Voloshin S, Voloshin K, Volpe G, von Haller B, Vorobyev I, Vranic D, Vrláková J, Vulpescu B, Vyushin A, Wagner B, Wagner V, Wan R, Wang Y, Wang M, Wang Y, Watanabe K, Weber M, Wessels JP, Westerhoff U, Wiechula J, Wikne J, Wilde M, Wilk G, Williams MCS, Windelband B, Xaplanteris Karampatsos L, Yaldo CG, Yamaguchi Y, Yang S, Yang P, Yang H, Yasnopolskiy S, Yi J, Yin Z, Yoo IK, Yoon J, Yu W, Yuan X, Yushmanov I, Zaccolo V, Zach C, Zampolli C, Zaporozhets S, Zarochentsev A, Závada P, Zaviyalov N, Zbroszczyk H, Zelnicek P, Zgura IS, Zhalov M, Zhang H, Zhang X, Zhang Y, Zhou D, Zhou F, Zhou Y, Zhu H, Zhu J, Zhu X, Zhu J, Zichichi A, Zimmermann A, Zinovjev G, Zoccarato Y, Zynovyev M, Zyzak M. J/ψ elliptic flow in Pb-Pb collisions at √(s(NN))=2.76 TeV. PHYSICAL REVIEW LETTERS 2013; 111:162301. [PMID: 24182258 DOI: 10.1103/physrevlett.111.162301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2013] [Revised: 07/28/2013] [Indexed: 06/02/2023]
Abstract
We report on the first measurement of inclusive J/ψ elliptic flow v2 in heavy-ion collisions at the LHC. The measurement is performed with the ALICE detector in Pb-Pb collisions at √(s(NN))=2.76 TeV in the rapidity range 2.5<y<4.0. The dependence of the J/ψ v2 on the collision centrality and on the J/ψ transverse momentum is studied in the range 0≤p(T)<10 GeV/c. For semicentral Pb-Pb collisions at √(s(NN))=2.76 TeV, an indication of nonzero v2 is observed with a largest measured value of v2=0.116±0.046(stat)±0.029(syst) for J/ψ in the transverse momentum range 2≤p(T)<4 GeV/c. The elliptic flow measurement complements the previously reported ALICE results on the inclusive J/ψ nuclear modification factor and favors the scenario of a significant fraction of J/ψ production from charm quarks in a deconfined partonic phase.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Burducea I, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Chen P, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Cowie E, Craik DC, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Gotti C, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hess M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hopchev P, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Keune A, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palczewski T, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Sannino M, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szumlak T, T'jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Urner D, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Van Dijk M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Young R, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Measurement of the CP asymmetry in B(+)→K(+)μ(+)μ(-) decays. PHYSICAL REVIEW LETTERS 2013; 111:151801. [PMID: 24160590 DOI: 10.1103/physrevlett.111.151801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Indexed: 06/02/2023]
Abstract
A measurement of the CP asymmetry in B(+)→K(+)μ(+)μ(-) decays is presented using pp collision data, corresponding to an integrated luminosity of 1.0 fb(-1), recorded by the LHCb experiment during 2011 at a center-of-mass energy of 7 TeV. The measurement is performed in seven bins of μ(+)μ(-) invariant mass squared in the range 0.05<q2<22.00 GeV2/c4, excluding the J/ψ and ψ(2S) resonance regions. Production and detection asymmetries are corrected for using the B(+)→J/ψK(+) decay as a control mode. Averaged over all the bins, the CP asymmetry is found to be A(CP)=0.000±0.033 (stat)±0.005 (syst)±0.007 (J/ψK), where the third uncertainty is due to the CP asymmetry of the control mode. This is consistent with the standard model prediction.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Burducea I, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Chen P, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hopchev P, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Keune A, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McSkelly B, McCarthy J, McNab A, McNulty R, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Salzmann C, Sanmartin Sedes B, Sannino M, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skwarnicki T, Smith NA, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Urner D, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Van Dijk M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Young R, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Search for the lepton-flavor-violating decays B(s)0→e(±)μ(∓) and B0→e(±)μ(∓). PHYSICAL REVIEW LETTERS 2013; 111:141801. [PMID: 24138232 DOI: 10.1103/physrevlett.111.141801] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Indexed: 06/02/2023]
Abstract
A search for the lepton-flavor-violating decays B(s)0→e(±)μ(∓) and B0→e(±)μ(∓) is performed with a data sample, corresponding to an integrated luminosity of 1.0 fb(-1) of pp collisions at √s=7 TeV, collected by the LHCb experiment. The observed number of B(s)0→e(±)μ(∓) and B0→e(±)μ(∓) candidates is consistent with background expectations. Upper limits on the branching fractions of both decays are determined to be B(B(s)0→e(±)μ(∓))<1.1(1.4)×10(-8) and B(B0→e(±)μ(∓))<2.8(3.7)×10(-9) at 90% (95%) confidence level (C.L.). These limits are a factor of 20 lower than those set by previous experiments. Lower bounds on the Pati-Salam leptoquark masses are also calculated, M(LQ)(B(s)0→e(±)μ(∓))>101 TeV/c(2) and M(LQ)(B0→e(±)μ(∓))>126 TeV/c(2) at 95% C.L., and are a factor of 2 higher than the previous bounds.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Burducea I, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Chen P, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Cowie E, Craik DC, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Gotti C, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hess M, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hopchev P, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Keune A, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kurek K, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Martynov A, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, McCarthy J, McNab A, McNulty R, McSkelly B, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palczewski T, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Sannino M, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skidmore N, Skwarnicki T, Smith NA, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Urner D, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Van Dijk M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Young R, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Observation of a resonance in B+ → K+ μ+ μ- decays at low recoil. PHYSICAL REVIEW LETTERS 2013; 111:112003. [PMID: 24074076 DOI: 10.1103/physrevlett.111.112003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 08/20/2013] [Indexed: 06/02/2023]
Abstract
A broad peaking structure is observed in the dimuon spectrum of B+ → K+ μ+ μ- decays in the kinematic region where the kaon has a low recoil against the dimuon system. The structure is consistent with interference between the B+ → K+ μ+ μ- decay and a resonance and has a statistical significance exceeding six standard deviations. The mean and width of the resonance are measured to be 4191(-8)(+9) MeV/c2 and 65(-16)(+22) MeV/c2, respectively, where the uncertainties include statistical and systematic contributions. These measurements are compatible with the properties of the ψ(4160) meson. First observations of both the decay B+ → ψ(4160)K+ and the subsequent decay ψ(4160) → μ+ μ- are reported. The resonant decay and the interference contribution make up 20% of the yield for dimuon masses above 3770 MeV/c2. This contribution is larger than theoretical estimates.
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Yuan X, Zhou Y, Wang W, Li J, Xie G, Zhao Y, Xu D, Shen L. Activation of TLR4 signaling promotes gastric cancer progression by inducing mitochondrial ROS production. Cell Death Dis 2013; 4:e794. [PMID: 24030146 PMCID: PMC3789192 DOI: 10.1038/cddis.2013.334] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 08/06/2013] [Accepted: 08/07/2013] [Indexed: 02/07/2023]
Abstract
Chronic infection, such as Helicobacter pylori infection, has been associated with the development of gastric cancer (GC). Pathogen-associated molecular patterns can trigger inflammatory responses via Toll-like receptors (TLRs) in GC. Here we showed that Toll-like receptor 4 (TLR4) was highly expressed in GC cells and was associated with the aggressiveness of GC. The binding of lipopolysaccharide (LPS) to TLR4 on GC cells enhanced proliferation without affecting apoptosis. Higher level of reactive oxygen species (ROS) was induced after activation of TLR4 signaling in GC. Using oxidase inhibitors and antioxidants, we found that mitochondrial ROS (mROS) was major source of TLR4-stimulated ROS generation. This elevated mROS production can be inhibited by diphenylene iodonium (DPI), and the blocking of the mROS production rather than ROS neutralization resulted in cell cycle arrest and the loss of mitochondrial potential, which were plausible reason for decreased cell viability. Furthermore, the increased mROS owing to TLR4 signaling resulted in the activation of Akt phosphorylation and NF-κB p65 nuclear translocation. Altogether, these results reveal a novel pathway linking innate immune signaling to GC cell proliferation, implicate mROS as an important component of cell survival signals and further establish mitochondria as hubs for GC therapies.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amerio S, Amhis Y, Anderlini L, Anderson J, Andreassen R, Andrews JE, Appleby RB, Aquines Gutierrez O, Archilli F, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Bachmann S, Back JJ, Baesso C, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bauer T, Bay A, Beddow J, Bedeschi F, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Benton J, Berezhnoy A, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blouw J, Blusk S, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bowen E, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Burducea I, Bursche A, Busetto G, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez D, Carbone A, Carboni G, Cardinale R, Cardini A, Carranza-Mejia H, Carson L, Carvalho Akiba K, Casse G, Castillo Garcia L, Cattaneo M, Cauet C, Cenci R, Charles M, Charpentier P, Chen P, Chiapolini N, Chrzaszcz M, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Cogneras E, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Coquereau S, Corti G, Couturier B, Cowan GA, Craik DC, Cunliffe S, Currie R, D'Ambrosio C, David P, David PNY, Davis A, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Silva W, De Simone P, Decamp D, Deckenhoff M, Del Buono L, Déléage N, Derkach D, Deschamps O, Dettori F, Di Canto A, Dijkstra H, Dogaru M, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Durante P, Dzhelyadin R, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, El Rifai I, Elsasser C, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Ferguson D, Fernandez Albor V, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fiore M, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Furfaro E, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garofoli J, Garosi P, Garra Tico J, Garrido L, Gaspar C, Gauld R, Gersabeck E, Gersabeck M, Gershon T, Ghez P, Gibson V, Giubega L, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorbounov P, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Griffith P, Grünberg O, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hall S, Hamilton B, Hampson T, Hansmann-Menzemer S, Harnew N, Harnew ST, Harrison J, Hartmann T, He J, Head T, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicheur A, Hicks E, Hill D, Hoballah M, Hombach C, Hopchev P, Hulsbergen W, Hunt P, Huse T, Hussain N, Hutchcroft D, Hynds D, Iakovenko V, Idzik M, Ilten P, Jacobsson R, Jaeger A, Jans E, Jaton P, Jawahery A, Jing F, John M, Johnson D, Jones CR, Joram C, Jost B, Kaballo M, Kandybei S, Kanso W, Karacson M, Karbach TM, Kenyon IR, Ketel T, Keune A, Khanji B, Kochebina O, Komarov I, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kucharczyk M, Kudryavtsev V, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leo S, Leroy O, Lesiak T, Leverington B, Li Y, Li Gioi L, Liles M, Lindner R, Linn C, Liu B, Liu G, Lohn S, Longstaff I, Lopes JH, Lopez-March N, Lu H, Lucchesi D, Luisier J, Luo H, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Malde S, Manca G, Mancinelli G, Maratas J, Marconi U, Marino P, Märki R, Marks J, Martellotti G, Martens A, Martín Sánchez A, Martinelli M, Martinez Santos D, Martins Tostes D, Massafferri A, Matev R, Mathe Z, Matteuzzi C, Maurice E, Mazurov A, Mc Skelly B, McCarthy J, McNab A, McNulty R, Meadows B, Meier F, Meissner M, Merk M, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mordà A, Morello MJ, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neubert S, Neufeld N, Nguyen AD, Nguyen TD, Nguyen-Mau C, Nicol M, Niess V, Niet R, Nikitin N, Nikodem T, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Oyanguren A, Pal BK, Palano A, Palczewski T, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Patrick GN, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perez Trigo E, Pérez-Calero Yzquierdo A, Perret P, Perrin-Terrin M, Pescatore L, Pesen E, Pessina G, Petridis K, Petrolini A, Phan A, Picatoste Olloqui E, Pietrzyk B, Pilař T, Pinci D, Playfer S, Plo Casasus M, Polci F, Polok G, Poluektov A, Polycarpo E, Popov A, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Rauschmayr N, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Rives Molina V, Roa Romero DA, Robbe P, Roberts DA, Rodrigues E, Rodriguez Perez P, Roiser S, Romanovsky V, Romero Vidal A, Rouvinet J, Ruf T, Ruffini F, Ruiz H, Ruiz Valls P, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salustino Guimaraes V, Sanmartin Sedes B, Sannino M, Santacesaria R, Santamarina Rios C, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schindler H, Schlupp M, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Seco M, Semennikov A, Senderowska K, Sepp I, Serra N, Serrano J, Seyfert P, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Sirendi M, Skwarnicki T, Smith NA, Smith E, Smith J, Smith M, Sokoloff MD, Soler FJP, Soomro F, Souza D, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stevenson S, Stoica S, Stone S, Storaci B, Straticiuc M, Straumann U, Subbiah VK, Sun L, Swientek S, Syropoulos V, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teklishyn M, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tonelli D, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tresch M, Tsaregorodtsev A, Tsopelas P, Tuning N, Ubeda Garcia M, Ukleja A, Urner D, Ustyuzhanin A, Uwer U, Vagnoni V, Valenti G, Vallier A, Van Dijk M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Veneziano G, Vesterinen M, Viaud B, Vieira D, Vilasis-Cardona X, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voß C, Voss H, Waldi R, Wallace C, Wallace R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wicht J, Wiechczynski J, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wimberley J, Wishahi J, Wislicki W, Witek M, Wotton SA, Wright S, Wu S, Wyllie K, Xie Y, Xing Z, Yang Z, Young R, Yuan X, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhokhov A, Zhong L, Zvyagin A. Precision measurement of the Λb(0) baryon lifetime. PHYSICAL REVIEW LETTERS 2013; 111:102003. [PMID: 25166658 DOI: 10.1103/physrevlett.111.102003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Indexed: 06/03/2023]
Abstract
The ratio of the Λb(0) baryon lifetime to that of the B(0) meson is measured using 1.0 fb(-1) of integrated luminosity in 7 TeV center-of-mass energy pp collisions at the LHC. The Λb(0) baryon is observed for the first time in the decay mode Λb(0)→J/ψpK-, while the B(0) meson decay used is the well known B(0)→J/ψπ+ K- mode, where the π+ K- mass is consistent with that of the K(*0)(892) meson. The ratio of lifetimes is measured to be 0.976±0.012±0.006, in agreement with theoretical expectations based on the heavy quark expansion. Using previous determinations of the B(0) meson lifetime, the Λb(0) lifetime is found to be 1.482±0.018±0.012 ps. In both cases, the first uncertainty is statistical and the second systematic.
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