在[公式：见正文]的碰撞中产量的测量。
Measurement of production in collisions at [Formula: see text].
作者信息
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 A A, Amato S, Amhis Y, Anderson J, Appleby R B, Aquines Gutierrez O, Archilli F, Arrabito L, Artamonov A, Artuso M, Aslanides E, Auriemma G, Bachmann S, Back J J, Bailey D S, Balagura V, Baldini W, Barlow R J, Barschel C, Barsuk S, Barter W, Bates A, Bauer C, Bauer Th, Bay A, Bediaga I, Belogurov S, Belous K, Belyaev I, Ben-Haim E, Benayoun M, Bencivenni G, Benson S, Benton J, Bernet R, Bettler M-O, van Beuzekom M, Bien A, Bifani S, Bird T, Bizzeti A, Bjørnstad P M, 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 T J V, Bozzi C, Brambach T, van den Brand J, Bressieux J, Brett D, Britsch M, Britton T, Brook N H, 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 Ch, Charles M, Charpentier Ph, Chiapolini N, Ciba K, Cid Vidal X, Ciezarek G, Clarke P E L, Clemencic M, Cliff H V, 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 G A, Currie R, D'Ambrosio C, David P, David P N Y, De Bonis I, De Capua S, De Cian M, De Lorenzi F, De Miranda J M, 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 Ch, 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 J-C, Garofoli J, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gauld R, Gauvin N, Gersabeck M, Gershon T, Ghez Ph, Gibson V, Gligorov V V, Göbel C, Golubkov D, Golutvin A, Gomes A, Gordon H, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso L A, Graugés E, Graziani G, Grecu A, Greening E, Gregson S, Gui B, Gushchin E, Guz Yu, Gys T, Hadjivasiliou C, Haefeli G, Haen C, Haines S C, Hampson T, Hansmann-Menzemer S, Harji R, Harnew N, Harrison J, Harrison P F, Hartmann T, He J, Heijne V, Hennessy K, Henrard P, Hernando Morata J A, van Herwijnen E, Hicks E, Holubyev K, Hopchev P, Hulsbergen W, Hunt P, Huse T, Huston R S, 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 C R, Jost B, Kaballo M, Kandybei S, Karacson M, Karbach T M, Keaveney J, Kenyon I R, Kerzel U, Ketel T, Keune A, Khanji B, Kim Y M, Knecht M, Koopman R F, 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 V N, Lacarrere D, Lafferty G, Lai A, Lambert D, Lambert R W, Lanciotti E, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, van Leerdam J, Lees J-P, 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 J H, Lopez Asamar E, Lopez-March N, Lu H, Luisier J, Mac Raighne A, Machefert F, Machikhiliyan I V, Maciuc F, Maev O, Magnin J, Malde S, Mamunur R M D, 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 D A, Minard M-N, 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 A D, 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 J M, Owen P, Pal K, Palacios J, Palano A, Palutan M, Panman J, Papanestis A, Pappagallo M, Parkes C, Parkinson C J, Passaleva G, Patel G D, Patel M, Paterson S K, Patrick G N, Patrignani C, Pavel-Nicorescu C, Pazos Alvarez A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Perego D L, 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 J H, Rakotomiaramanana B, Rangel M S, Raniuk I, Raven G, Redford S, Reid M M, Dos Reis A C, Ricciardi S, Richards A, Rinnert K, Roa Romero D A, Robbe P, Rodrigues E, Rodrigues F, Rodriguez Perez P, Rogers G J, Roiser S, Romanovsky V, Rosello M, Rouvinet J, Ruf T, Ruiz H, Sabatino G, Saborido Silva J J, 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 M-H, 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 N A, Smith E, Sobczak K, Soler F J P, 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 V K, 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 M T, 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 J J, 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 D R, Watson N K, Webber A D, Websdale D, Whitehead M, Wiedner D, Wiggers L, Wilkinson G, Williams M P, Williams M, Wilson F F, Wishahi J, Witek M, Witzeling W, Wotton S A, Wyllie K, Xie Y, Xing F, Xing Z, Yang Z, Young R, Yushchenko O, Zangoli M, Zavertyaev M, Zhang F, Zhang L, Zhang W C, Zhang Y, Zhelezov A, Zhong L, Zvyagin A
机构信息
Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands.
Universitat de Barcelona, Barcelona, Spain.
出版信息
Eur Phys J C Part Fields. 2012;72(6):2025. doi: 10.1140/epjc/s10052-012-2025-y. Epub 2012 Jun 7.
The production of (1), (2) and (3) 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 collected at the Large Hadron Collider. The mesons are reconstructed in the decay mode → and the signal yields are extracted from a fit to the invariant mass distributions. The differential production cross-sections times dimuon branching fractions are measured as a function of the transverse momentum and rapidity , over the range <15 GeV/c and 2.0<<4.5. The cross-sections times branching fractions, integrated over these kinematic ranges, are measured to be [Formula: see text] where the first uncertainty is statistical, the second systematic and the third is due to the unknown polarisation of the three states.
利用大型强子对撞机底夸克探测器（LHCb探测器）研究了在质心能量为[公式：见原文]的质子-质子碰撞中（1）、（2）和（3）介子的产生。该分析基于在大型强子对撞机上采集的25 pb的数据样本。介子在衰变模式→中重建，信号产额通过对不变质量分布的拟合提取。测量了微分产生截面乘以双μ子分支比作为横向动量和快度的函数，范围为<15 GeV/c且2.0<<4.5。在这些运动学范围内积分的截面乘以分支比测量值为[公式：见原文]，其中第一个不确定度是统计性的，第二个是系统性的，第三个是由于三个介子态的未知极化所致。
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