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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, de Bruyn K, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Couturier B, Cowan GA, Currie R, D’Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauld R, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen AD, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T’Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vieira D, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zvyagin A. Opposite-side flavour tagging of B mesons at the LHCb experiment. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2012; 72:2022. [PMID: 25814835 PMCID: PMC4371096 DOI: 10.1140/epjc/s10052-012-2022-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Revised: 04/26/2012] [Indexed: 05/28/2023]
Abstract
The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been developed using simulated events and optimized and calibrated with B+→J/ψK+, B0→J/ψK∗0 and B0→D∗-μ+νμ decay modes with 0.37 fb-1 of data collected in pp collisions at [Formula: see text] during the 2011 physics run. The opposite-side tagging power is determined in the B+→J/ψK+ channel to be (2.10±0.08±0.24) %, where the first uncertainty is statistical and the second is systematic.
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, de Bruyn K, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Couturier B, Cowan GA, Currie R, D’Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauld R, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen AD, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T’Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vieira D, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zvyagin A. Measurement of ϒ production in pp collisions at [Formula: see text]. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2012; 72:2025. [PMID: 25814836 PMCID: PMC4370820 DOI: 10.1140/epjc/s10052-012-2025-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Revised: 04/20/2012] [Indexed: 05/28/2023]
Abstract
The production of ϒ(1S), ϒ(2S) and ϒ(3S) mesons in proton-proton collisions at the centre-of-mass energy of [Formula: see text] is studied with the LHCb detector. The analysis is based on a data sample of 25 pb-1 collected at the Large Hadron Collider. The ϒ mesons are reconstructed in the decay mode ϒ→μ+μ- and the signal yields are extracted from a fit to the μ+μ- invariant mass distributions. The differential production cross-sections times dimuon branching fractions are measured as a function of the ϒ transverse momentum pT and rapidity y, over the range pT <15 GeV/c and 2.0
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Chen M, Cook A, Chow V, Tan C, Hsu J, Lim WY. Rate of decline of antibody titres to influenza A/California/7/2009 (H1N1) by haemagglutination inhibition and virus neutralization assays in a cohort of seroconverting adults in Singapore. Int J Infect Dis 2012. [DOI: 10.1016/j.ijid.2012.05.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Ponnambalam L, Chen M, Cook A, Fu X, Lee K. Age-stratified transmission dynamic models to assess severity of influenza pandemics in real-time. Int J Infect Dis 2012. [DOI: 10.1016/j.ijid.2012.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Carrasco R, Leo Y, Cook A, lee V, Thein T, Go C, Lye D. Predictive tools of severe dengue for well-resourced and resource-limited settings. Int J Infect Dis 2012. [DOI: 10.1016/j.ijid.2012.05.263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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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, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Contu A, Cook A, Coombes M, Corti G, Couturier B, Cowan GA, Currie R, D'Ambrosio C, David P, David PNY, De Bonis I, De Bruyn K, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Falabella A, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Francisco O, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauld R, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koopman RF, Koppenburg P, Korolev M, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinelli M, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Needham M, Neufeld N, Nguyen AD, Nguyen-Mau C, Nicol M, Niess V, 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, Pal KB, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Richards A, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T'jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Tolk S, Topp-Joergensen S, Torr N, Tournefier E, Tourneur S, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vieira D, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Vorobyev V, Voss H, Waldi R, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zvyagin A. First evidence of direct CP violation in charmless two-body decays of Bs0 mesons. PHYSICAL REVIEW LETTERS 2012; 108:201601. [PMID: 23003138 DOI: 10.1103/physrevlett.108.201601] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Indexed: 06/01/2023]
Abstract
Using a data sample corresponding to an integrated luminosity of 0.35 fb-1 collected by LHCb in 2011, we report the first evidence of CP violation in the decays of Bs0} mesons to K±π∓ pairs, ACP(Bs0→Kπ)=0.27±0.08(stat)±0.02(syst), with a significance of 3.3σ. Furthermore, we report the most precise measurement of CP violation in the decays of B0 mesons to K±π∓ pairs, ACP(B0→Kπ)=-0.088±0.011(stat)±0.008(syst), with a significance exceeding 6σ.
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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, Silva Coutinho R, Shires A, Skwarnicki T, Smith AC, Smith NA, Smith E, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. Differential branching fraction and angular analysis of the decay B0 → K*0 μ+ μ-. PHYSICAL REVIEW LETTERS 2012; 108:181806. [PMID: 22681061 DOI: 10.1103/physrevlett.108.181806] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2011] [Indexed: 06/01/2023]
Abstract
The angular distributions and the partial branching fraction of the decay B0 → K*0 μ+ μ- are studied by using an integrated luminosity of 0.37 fb(-1) of data collected with the LHCb detector. The forward-backward asymmetry of the muons, A(FB), the fraction of longitudinal polarization, F(L), and the partial branching fraction dB/dq2 are determined as a function of the dimuon invariant mass. The measurements are in good agreement with the standard model predictions and are the most precise to date. In the dimuon invariant mass squared range 1.00-6.00 GeV2/c4, the results are A(FB)=-0.06(-0.14)(+0.13)±0.04, F(L)=0.55±0.10±0.03, and dB/dq2=(0.42±0.06±0.03)×10(-7) c4/GeV2. In each case, the first error is statistical and the second systematic.
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Baca C, Vickrey B, Vassar S, Cook A, Berg A. Injuries amongst Adolescents with Childhood-Onset Epilepsy Compared to Sibling Controls (S06.004). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.s06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koopman R, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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 AC, Smith NA, Smith E, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. First observation of the decays B(0) → D(+)K(-)π(+)π(-) and B(-) → D(0)K(-)π(+)π(-). PHYSICAL REVIEW LETTERS 2012; 108:161801. [PMID: 22680708 DOI: 10.1103/physrevlett.108.161801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Indexed: 06/01/2023]
Abstract
First observations of the Cabibbo-suppressed decays B(0) → D(+)K(-)π(+)π(-) and B(-) → D(0)K(-)π(+)π(-) are reported using 35 pb(-1) of data collected with the LHCb detector. Their branching fractions are measured with respect to the corresponding Cabibbo-favored decays, from which we obtain B(B(0) → D(+)K(-)π(+)π(-))/B(B(0) → D(+)π(-)π(+)π(-))=(5.9±1.1±0.5)×10(-2) and B(B(-) → D(0)K(-)π(+)π(-))/B(B(-) → D(0)π(-)π(+)π(-))=(9.4±1.3±0.9)×10(-2), where the uncertainties are statistical and systematic, respectively. The B(-) → D(0)K(-)π(+)π(-) decay is particularly interesting, as it can be used in a similar way to B(-) → D(0)K(-) to measure the Cabibbo-Kobayashi-Maskawa phase γ.
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal B, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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 AC, Smith NA, Smith E, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. Observation of B(s)(0) → J/ψf(2)'(1525) in J/ψK+ K- final states. PHYSICAL REVIEW LETTERS 2012; 108:151801. [PMID: 22587241 DOI: 10.1103/physrevlett.108.151801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Indexed: 05/31/2023]
Abstract
The decay B(s)(0) → J/ψK+ K- is investigated using 0.16 fb(-1) of data collected with the LHCb detector using 7 TeV pp collisions. Although the J/ψϕ channel is well known, final states at higher K+ K- masses have not previously been studied. In the K+ K- mass spectrum we observe a significant signal in the f(2)'(1525) region as well as a nonresonant component. After subtracting the nonresonant component, we find B(B(s)(0) → J/ψf(2)'(1525))/B(B(s)(0) → J/ψϕ) = (26.4 ± 2.7 ± 2.4)%.
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koopman R, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Navarro AP, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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 AC, Smith NA, Smith E, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T'jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. Evidence for CP violation in time-integrated D0→h(-)h(+) decay rates. PHYSICAL REVIEW LETTERS 2012; 108:111602. [PMID: 22540460 DOI: 10.1103/physrevlett.108.111602] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Indexed: 05/31/2023]
Abstract
A search for time-integrated CP violation in D(0)→h(-)h(+) (h=K, π) decays is presented using 0.62 fb(-1) of data collected by LHCb in 2011. The flavor of the charm meson is determined by the charge of the slow pion in the D(*+)→D(0)π(+) and D(*-)→D[over ¯](0)π(-) decay chains. The difference in CP asymmetry between D(0)→K(-)K(+) and D(0)→π(-)π(+), ΔA(CP)≡A(CP)(K(-)K(+))-A(CP)(π(-)π(+)), is measured to be [-0.82±0.21(stat)±0.11(syst)]%. This differs from the hypothesis of CP conservation by 3.5 standard deviations.
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Brisbane S, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Caicedo Carvajal JM, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Conti G, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Almagne B, D'Ambrosio C, David P, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Deissenroth M, Del Buono L, Deplano C, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Domingo Bonal F, Donleavy S, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, d'Enterria DG, Esperante Pereira D, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Hofmann W, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koblitz S, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, Kukulak S, Kumar R, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, Lopes JH, Lopez Asamar E, Lopez-March N, Luisier J, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, McLean C, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nardulli J, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Nies S, Niess V, Nikitin N, Nomerotski A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilar T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, du Pree T, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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, Shao B, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Silva Coutinho R, Skottowe HP, Skwarnicki T, Smith AC, Smith NA, Smith E, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Styles N, Subbiah VK, Swientek S, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tran MT, Tsaregorodtsev A, Tuning N, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Vervink K, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Voong D, Vorobyev A, Voss H, Wacker K, Wandernoth S, Wang J, Ward DR, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. Search for lepton number violating decays B+ → π- μ+ μ+ and B+ → K- μ+ μ+. PHYSICAL REVIEW LETTERS 2012; 108:101601. [PMID: 22463398 DOI: 10.1103/physrevlett.108.101601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Indexed: 05/31/2023]
Abstract
A search is performed for the lepton number violating decay B+ → h- μ+ μ+, where h- represents a K- or a π-, using an integrated luminosity of 36 pb(-1) of data collected with the LHCb detector. The decay is forbidden in the standard model but allowed in models with a Majorana neutrino. No signal is observed in either channel and limits of B(B+ → K- μ+ μ+) < 5.4×10(-8) and B(B+ → π- μ+ μ+) < 5.8×10(-8) are set at the 95% confidence level. These improve the previous best limits by factors of 40 and 30, respectively.
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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, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Anderson J, Appleby RB, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook NH, Brown H, Büchler-Germann A, Burducea I, Bursche A, Buytaert J, Cadeddu S, Callot O, Calvi M, Calvo Gomez M, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Carvalho Akiba K, Casse G, Cattaneo M, Cauet C, Charles M, Charpentier P, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Comerma-Montells A, Constantin F, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Del Buono L, Deplano C, Derkach D, Deschamps O, Dettori F, Dickens J, Dijkstra H, Diniz Batista P, Bonal F, Domingo Donleavy S, Dordei F, Dosil Suárez A, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Dziurda A, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, Elsby D, Esperante Pereira D, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Fernandez Albor V, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Gallas Torreira A, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, 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, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haen C, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata JA, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Jaeger A, Jahjah Hussein M, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach TM, Keaveney J, Kenyon IR, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Kreps M, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, 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, Leroy O, Lesiak T, Li L, Li Gioi L, Lieng M, Liles M, Lindner R, Linn C, Liu B, Liu G, von Loeben J, Lopes JH, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Martín Sánchez A, Martinez Santos D, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Molina Rodriguez J, Monteil S, Moran D, Morawski P, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Muster B, Musy M, Mylroie-Smith J, Naik P, Nakada T, Nandakumar R, Nasteva I, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Niess V, Nikitin N, Nomerotski A, Novoselov A, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Otalora Goicochea JM, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, 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, Pessina G, Petrella A, Petrolini A, Phan A, Picatoste Olloqui E, Pie Valls B, Pietrzyk B, Pilař T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, Prisciandaro J, Pugatch V, Puig Navarro A, Qian W, Rademacker JH, Rakotomiaramanana B, Rangel MS, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers GJ, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva JJ, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santamarina Rios C, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, 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 AC, Smith NA, Smith E, Sobczak K, Soler FJP, Solomin A, Soomro F, 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, Szczekowski M, Szczypka P, Szumlak T, T'Jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Torr N, Tournefier E, Tran MT, Tsaregorodtsev A, Tuning N, Ubeda Garcia M, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, Velthuis JJ, Veltri M, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Volyanskyy D, Voong D, Vorobyev A, Voss H, Wandernoth S, Wang J, Ward DR, Watson NK, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang F, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. Measurement of the CP-violating phase ϕ(s) in the decay B(s)(0) → J/ψϕ. PHYSICAL REVIEW LETTERS 2012; 108:101803. [PMID: 22463401 DOI: 10.1103/physrevlett.108.101803] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Indexed: 05/31/2023]
Abstract
We present a measurement of the time-dependent CP-violating asymmetry in B(s)(0) → J/ψϕ decays, using data collected with the LHCb detector at the LHC. The decay time distribution of B(s)(0) → J/ψϕ is characterized by the decay widths Γ(H) and Γ(L) of the heavy and light mass eigenstates, respectively, of the B(s)(0) - B(s)(0) system and by a CP-violating phase ϕ(s). In a sample of about 8500 B(s)(0) → J/ψϕ events isolated from 0.37 fb(-1) of pp collisions at sqrt[s] = 7 TeV, we measure ϕ(s) = 0.15 ± 0.18(stat) ± 0.06(syst) rad. We also find an average B(s)(0) decay width Γ(s) ≡ (Γ(L) + Γ(H))/2 = 0.657 ± 0.009(stat) ± 0.008(syst) ps(-1) and a decay width difference ΔΓ(s) ≡ Γ(L) - Γ(H) = 0.123 ± 0.029(stat) ± 0.011(syst) ps(-1). Our measurement is insensitive to the transformation (ϕ(s),ΔΓ(s)) ↦ (π - ϕ(s), -ΔΓ(s)).
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Harrison T, Robinson P, Cook A, Parker MJ. Factors affecting the incidence of deep wound infection after hip fracture surgery. ACTA ACUST UNITED AC 2012; 94:237-40. [PMID: 22323693 DOI: 10.1302/0301-620x.94b1.27683] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Prospective data on 6905 consecutive hip fracture patients at a district general hospital were analysed to identify the risk factors for the development of deep infection post-operatively. The main outcome measure was infection beneath the fascia lata. A total of 50 patients (0.7%) had deep infection. Operations by consultants or a specialist hip fracture surgeon had half the rate of deep infection compared with junior grades (p = 0.01). Increased duration of anaesthesia was significantly associated with deep infection (p = 0.01). The method of fracture fixation was also significant. Intracapsular fractures treated with a hemiarthroplasty had seven times the rate of deep infection compared with those treated by internal fixation (p = 0.001). Extracapsular fractures treated with an extramedullary device had a deep infection rate of 0.78% compared with 0% for those treated with intramedullary devices (p = 0.02). The management of hip fracture patients by a specialist hip fracture surgeon using appropriate fixation could significantly reduce the rate of deep infection and associated morbidity, along with extended hospitalisation and associated costs.
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Franklin PJ, Loveday J, Cook A. Unflued gas heaters and respiratory symptoms in older people with asthma. Thorax 2012; 67:315-20. [PMID: 22250101 DOI: 10.1136/thoraxjnl-2011-200236] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Unflued gas heaters (UFGHs) and cookers are a major contributor to air pollution in homes. Gas appliances have been associated with adverse respiratory outcomes in children and, less consistently, adults. There have been very few studies on the effects of gas appliances on the respiratory health of older people. OBJECTIVES This study investigated the daily lung function and respiratory symptoms of older people (>55 years of age) who did and did not use an UFGH as a primary source of heating. METHODS 71 patients with asthma were recruited for the study. Each patient participated for one 12-week winter period. All patients recorded daytime and night-time symptoms in a diary and completed morning and evening peak flow and forced expiratory volume in 1 s for the study period. General estimating equations were used to measure the associations between symptoms and lung function outcomes and same and previous day (lag 1) UFGH exposure. RESULTS Same and previous day (lag 1) UFGH exposure was associated with significantly increased ORs for wheeze and dyspnoea compared with days on which no heating was used. Furthermore, there were significant increases in the average odds of reported wheeze and dyspnoea per hour of UFGH heater use. Small but significant reductions in morning to evening peak flow and forced expiratory volume in 1 s were observed on the days an UFGH was used compared with days when other heating was used or there was no heating. CONCLUSION Exposure to UFGHs may have a detrimental effect on symptoms and lung function in older people with mild to moderate asthma.
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Aaij R, Adeva B, Adinolfi M, Adrover C, Affolder A, Ajaltouni Z, Albrecht J, Alessio F, Alexander M, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, Amoraal J, Anderson J, Appleby RB, Gutierrez OA, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back JJ, Bailey DS, Balagura V, Baldini W, Barlow RJ, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer T, Bay A, Bediaga I, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler MO, van Beuzekom M, Bien A, Bifani S, Bizzeti A, Bjørnstad PM, Blake T, Blanc F, Blanks C, Blouw J, Blusk S, Bobrov A, Bocci V, Bondar A, Bondar N, Bonivento W, Borghi S, Borgia A, Bowcock TJV, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brisbane S, Britsch M, Britton T, Brook NH, Büchler-Germann A, Bursche A, Buytaert J, Cadeddu S, Carvajal JMC, Callot O, Calvi M, Gomez MC, Camboni A, Campana P, Carbone A, Carboni G, Cardinale R, Cardini A, Carson L, Akiba KC, Casse G, Cattaneo M, Charles M, Charpentier P, Chiapolini N, Vidal XC, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coca C, Coco V, Cogan J, Collins P, Constantin F, Conti G, Contu A, Cook A, Coombes M, Corti G, Cowan GA, Currie R, D'Almagne B, D'Ambrosio C, David P, David PNY, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda JM, De Paula L, De Simone P, Decamp D, Deckenhoff M, Degaudenzi H, Deissenroth M, Del Buono L, Deplano C, Deschamps O, Dettori F, Dickens J, Dijkstra H, Batista PD, Dossett D, Dovbnya A, Dupertuis F, Dzhelyadin R, Eames C, Easo S, Egede U, Egorychev V, Eidelman S, van Eijk D, Eisele F, Eisenhardt S, Ekelhof R, Eklund L, Elsasser C, d'Enterria DG, Pereira DE, Estève L, Falabella A, Fanchini E, Färber C, Fardell G, Farinelli C, Farry S, Fave V, Albor VF, Ferro-Luzzi M, Filippov S, Fitzpatrick C, Fontana M, Fontanelli F, Forty R, Frank M, Frei C, Frosini M, Furcas S, Torreira AG, Galli D, Gandelman M, Gandini P, Gao Y, Garnier JC, Garofoli J, Garrido L, Gaspar C, Gauvin N, Gersabeck M, Gershon T, Ghez P, Gibson V, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Gándara MG, Diaz RG, Cardoso LAG, Graugés E, Graziani G, Grecu A, Gregson S, Gui B, Gushchin E, Guz Y, Gys T, Haefeli G, Haines SC, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison PF, He J, Heijne V, Hennessy K, Henrard P, Morata JAH, van Herwijnen E, Hofmann W, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston RS, Hutchcroft D, Hynds D, Iakovenko V, Ilten P, Imong J, Jacobsson R, Hussein MJ, Jans E, Jansen F, Jaton P, Jean-Marie B, Jing F, John M, Johnson D, Jones CR, Jost B, Kandybei S, Karbach TM, Keaveney J, Kerzel U, Ketel T, Keune A, Khanji B, Kim YM, Knecht M, Koblitz S, Koppenburg P, Kozlinskiy A, Kravchuk L, Kreplin K, Krocker G, Krokovny P, Kruse F, Kruzelecki K, Kucharczyk M, Kukulak S, Kumar R, Kvaratskheliya T, La Thi VN, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert RW, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Le Gac R, van Leerdam J, Lees JP, Lefèvre R, Leflat A, Lefrançois J, Leroy O, Lesiak T, Li L, Li YY, Li Gioi L, Lieng M, Lindner R, Linn C, Liu B, Liu G, Lopes JH, Asamar EL, Lopez-March N, Luisier J, Machefert F, Machikhiliyan IV, Maciuc F, Maev O, Magnin J, Maier A, Malde S, Mamunur RMD, Manca G, Mancinelli G, Mangiafave N, Marconi U, Märki R, Marks J, Martellotti G, Martens A, Martin L, Sánchez AM, Santos DM, Massafferri A, Mathe Z, Matteuzzi C, Matveev M, Maurice E, Maynard B, Mazurov A, McGregor G, McNulty R, Mclean C, Meissner M, Merk M, Merkel J, Messi R, Miglioranzi S, Milanes DA, Minard MN, Monteil S, Moran D, Morawski P, Morris JV, Mountain R, Mous I, Muheim F, Müller K, Muresan R, Muryn B, Musy M, Naik P, Nakada T, Nandakumar R, Nardulli J, Nedos M, Needham M, Neufeld N, Nguyen-Mau C, Nicol M, Nies S, Niess V, Nikitin N, Oblakowska-Mucha A, Obraztsov V, Oggero S, Ogilvy S, Okhrimenko O, Oldeman R, Orlandea M, Goicochea JMO, Pal B, Palacios J, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson CJ, Passaleva G, Patel GD, Patel M, Paterson SK, Patrick GN, Patrignani C, Pavel-Nicorescu C, Alvarez AP, Pellegrino A, Penso G, Altarelli MP, Perazzini S, Perego DL, Trigo EP, Yzquierdo APC, Perret P, Perrin-Terrin M, Pessina G, Petrella A, Petrolini A, Pie Valls B, Pietrzyk B, Pilar T, Pinci D, Plackett R, Playfer S, Plo Casasus M, Polok G, Poluektov A, Polycarpo E, Popov D, Popovici B, Potterat C, Powell A, du Pree T, Pugatch V, Navarro AP, Qian W, Rademacker JH, Rakotomiaramanana B, Raniuk I, Raven G, Redford S, Reid MM, dos Reis AC, Ricciardi S, Rinnert K, Roa Romero DA, Robbe P, Rodrigues E, Rodrigues F, Cobo CR, Perez PR, Rogers GJ, Romanovsky V, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Silva JJS, Sagidova N, Sail P, Saitta B, Salzmann C, Sannino M, Santacesaria R, Santinelli R, Santovetti E, Sapunov M, Sarti A, Satriano C, Satta A, Savrie M, Savrina D, Schaack P, Schiller M, Schleich S, Schmelling M, Schmidt B, Schneider O, Schopper A, Schune MH, Schwemmer R, Sciubba A, Seco M, Semennikov A, Senderowska K, Serra N, Serrano J, Seyfert P, Shao B, Shapkin M, Shapoval I, Shatalov P, Shcheglov Y, Shears T, Shekhtman L, Shevchenko O, Shevchenko V, Shires A, Coutinho RS, Skottowe HP, Skwarnicki T, Smith AC, Smith NA, Sobczak K, Soler FJP, Solomin A, Soomro F, Souza De Paula B, Spaan B, Sparkes A, Spradlin P, Stagni F, Stahl S, Steinkamp O, Stoica S, Stone S, Storaci B, Straumann U, Styles N, Swientek S, Szczekowski M, Szczypka P, Szumlak T, T'jampens S, Teodorescu E, Teubert F, Thomas C, Thomas E, van Tilburg J, Tisserand V, Tobin M, Topp-Joergensen S, Tran MT, Tsaregorodtsev A, Tuning N, Ukleja A, Urquijo P, Uwer U, Vagnoni V, Valenti G, Gomez RV, Regueiro PV, Vecchi S, Velthuis JJ, Veltri M, Vervink K, Viaud B, Videau I, Vilasis-Cardona X, Visniakov J, Vollhardt A, Voong D, Vorobyev A, Voss H, Wacker K, Wandernoth S, Wang J, Ward DR, Webber AD, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams MP, Williams M, Wilson FF, Wishahi J, Witek M, Witzeling W, Wotton SA, Wyllie K, Xie Y, Xing F, Yang Z, Young R, Yushchenko O, Zavertyaev M, Zhang L, Zhang WC, Zhang Y, Zhelezov A, Zhong L, Zverev E, Zvyagin A. Determination of f(s)/f(d) for 7 TeV pp collisions and measurement of the B0→D-K+ branching fraction. PHYSICAL REVIEW LETTERS 2011; 107:211801. [PMID: 22181871 DOI: 10.1103/physrevlett.107.211801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2011] [Indexed: 05/31/2023]
Abstract
The relative abundance of the three decay modes B(0)→D(-)K(+), B(0)→D(-)π(+), and B(s)(0)→D(s)(-)π(+) produced in 7 TeV pp collisions at the LHC is determined from data corresponding to an integrated luminosity of 35 pb(-1). The branching fraction of B(0)→D(-)K(+) is found to be B(B(0)→D(-)K(+)) = (2.01 ± 0.18(stat) ± 0.14(syst)) × 10(-4). The ratio of fragmentation fractions f(s)/f(d) is determined through the relative abundance of B(s)(0)→D(s)(-)π(+) to B(0)→D(-)K(+) and B(0)→D(-)π(+), leading to f(s)/f(d) = 0.253 ± 0.017 ± 0.017 ± 0.020, where the uncertainties are statistical, systematic, and theoretical, respectively.
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Sorita E, Tarruella A, Bossard C, Criquillon J, Cook A, Pelegris B, Dehail P, Joseph P, Mazaux JM. Contribution of occupational therapy intervention with stroke patients. Ann Phys Rehabil Med 2011. [DOI: 10.1016/j.rehab.2011.07.760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Miller A, Morgan P, Lubans D, Plotnikoff R, Callister R, Okely A, Burrows T, Fletcher R, Collins C, Lloyd A, Cook A, Clay V, Young M. Effective strategies for the recruitment of overweight men and their children into a community trial: The Healthy Dads, Healthy Kids recruitment story. Obes Res Clin Pract 2011. [DOI: 10.1016/j.orcp.2011.08.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Cook A. Enhancing user engagement. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000105.50] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Cook A. Home based volunteers - bridging the gap between respite visits. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000100.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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McGillion M, Arthur H, Natarajan M, Cook A, Gunn E, Watt-Watson J, Cosman T, Victor J. 720 Exploring predictors of persistent chest pain following successful percutaneous coronary intervention. Can J Cardiol 2011. [DOI: 10.1016/j.cjca.2011.07.595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Bridge W, Barklie K, Westmorland S, Cook A. Care team volunteers. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000105.48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Brownlee D, Cook A, Bunce A, Rae E, McEnhill L. The butterfly project. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000105.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Pottinger TG, Cook A, Jürgens MD, Sebire M, Henrys PA, Katsiadaki I, Balaam JL, Smith AJ, Matthiessen P. Indices of stress in three-spined sticklebacks Gasterosteus aculeatus in relation to extreme weather events and exposure to wastewater effluent. JOURNAL OF FISH BIOLOGY 2011; 79:256-279. [PMID: 21722123 DOI: 10.1111/j.1095-8649.2011.03013.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Whole-body concentrations of cortisol and glucose were measured in three-spined sticklebacks Gasterosteus aculeatus from two rivers (Rivers Ray and Ock) in southern England during a 30 month period in order to assess effects on the stress axis of (1) remediation of a wastewater treatment works (WWTW) effluent (River Ray) and (2) episodic changes in flow rate arising from periods of high rainfall (Rivers Ray and Ock). The postcapture concentrations of cortisol and glucose in fish from both rivers did not exhibit a seasonal periodicity but did show significant between-sample, between-site and between-river variation, superimposed upon a consistent downward trend for each analyte during the monitoring period. Corticosteroid and glucose concentrations following capture were inversely linked with a progressive increase in condition of the fish during this period. Site-dependent trends possibly related to exposure to the WWTW effluent were detected for both analytes in fish from the River Ray. For fish in the River Ray, a significant proportion of variation in both corticosteroid and glucose concentrations, additional to the downward trend with time, was accounted for by temporal proximity of the sample to exceptional flow events arising from episodes of high rainfall and high turbidity. This relationship was not statistically significant for fish from the River Ock. These data suggest that the responsiveness of the stress axis in free-living G. aculeatus may be altered by exposure to WWTW effluent and by exposure to physical changes in the aquatic environment such as those arising from extreme weather events. The magnitude of these effects may be increased by exposure to both stressors concurrently.
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Abbott B, Lugg R, Devine B, Cook A, Weinstein P. Microbial risk classifications for recreational waters and applications to the Swan and Canning Rivers in Western Australia. JOURNAL OF WATER AND HEALTH 2011; 9:70-79. [PMID: 21301116 DOI: 10.2166/wh.2011.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2010] [Accepted: 09/08/2010] [Indexed: 05/30/2023]
Abstract
Protecting recreational water quality where 'whole-of-body contact' activities occur is important from a public health and economic perspective. Numerous studies have demonstrated that infectious illnesses occur when swimming in faecally polluted waters. With the release of the 2008 Australian recreational water guidelines, the Western Australian (WA) Department of Health conducted a formal evaluation to highlight the advantages of applying the microbial risk management framework to 27 swimming beaches in the Swan and Canning Rivers in Perth, WA. This involved a two-phase approach: (i) calculation of 95th percentiles using historical enterococci data; and (ii) undertaking sanitary inspections. The outcomes were combined to assign provisional risk classifications for each site. The classifications are used to promote informed choices as a risk management strategy. The study indicates that the majority of swimming beaches in the Swan-Canning Rivers are classified as 'very good' to 'good' and are considered safe for swimming. The remaining sites were classified as 'poor', which is likely to be attributed to environmental influences. Information from the study was communicated to the public via a series of press releases and the Healthy Swimming website. The guidelines provide a sound approach to managing recreational water quality issues, but some limitations were identified.
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