Measurement of the CP Asymmetry in B0 → K*0μ+μ- Decays

被引:25
|
作者
Aaij, R. [39 ]
Abellan Beteta, C. [34 ,70 ]
Adametz, A. [11 ]
Adeva, B. [35 ]
Adinolfi, M. [44 ]
Adrover, C. [6 ]
Affolder, A. [50 ]
Ajaltouni, Z. [5 ]
Albrecht, J. [36 ]
Alessio, F. [36 ]
Alexander, M. [49 ]
Ali, S. [39 ]
Alkhazov, G. [27 ]
Alvarez Cartelle, P. [35 ]
Alves, A. A., Jr. [22 ]
Amato, S. [2 ]
Amhis, Y. [37 ]
Anderlini, L. [17 ,62 ]
Anderson, J. [38 ]
Appleby, R. B. [52 ]
Gutierrez, O. Aquines [10 ]
Archilli, F. [18 ,36 ]
Artamonov, A. [33 ]
Artuso, M. [54 ]
Aslanides, E. [6 ]
Auriemma, G. [22 ,69 ]
Bachmann, S. [11 ]
Back, J. J. [46 ]
Baesso, C. [2 ,55 ]
Balagura, V. [28 ,37 ]
Baldini, W. [16 ]
Barlow, R. J. [52 ]
Barschel, C. [36 ]
Barsuk, S. [7 ]
Barter, W. [45 ]
Bates, A. [49 ]
Bauer, Th. [39 ]
Bay, A. [37 ]
Beddow, J. [49 ]
Bediaga, I. [1 ]
Belogurov, S. [28 ]
Belous, K. [33 ]
Belyaev, I. [28 ]
Ben-Haim, E. [8 ]
Benayoun, M. [8 ]
Bencivenni, G. [18 ]
Benson, S. [48 ]
Benton, J. [44 ]
Berezhnoy, A. [29 ]
Bernet, R. [38 ]
机构
[1] CBPF, Rio De Janeiro, Brazil
[2] Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil
[3] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
[4] Univ Savoie, LAPP, CNRS IN2P3, Annecy Le Vieux, France
[5] Univ Blaise Pascal, Clermont Univ, CNRS IN2P3, LPC, Clermont Ferrand, France
[6] Aix Marseille Univ, CPPM, CNRS IN2P3, Marseille, France
[7] Univ Paris 11, LAL, CNRS IN2P3, Orsay, France
[8] Univ Paris Diderot, Univ Paris 06, LPNHE, CNRS IN2P3, Paris, France
[9] Tech Univ Dortmund, Fak Phys, Dortmund, Germany
[10] MPIK, Heidelberg, Germany
[11] Heidelberg Univ, Inst Phys, Heidelberg, Germany
[12] Univ Coll Dublin, Sch Phys, Dublin 2, Ireland
[13] Sez INFN Bari, Bari, Italy
[14] Sez INFN Bologna, Bologna, Italy
[15] Sez INFN Cagliari, Cagliari, Italy
[16] Sez INFN Ferrara, Ferrara, Italy
[17] Sez INFN Firenze, Florence, Italy
[18] Lab Nazl INFN Frascati, Frascati, Italy
[19] Sez INFN Genova, Genoa, Italy
[20] Sez INFN Milano Bicocca, Milan, Italy
[21] Sez INFN Roma Tor Vergata, Rome, Italy
[22] Sez INFN Roma La Sapienza, Rome, Italy
[23] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[24] AGH Univ Sci & Technol, Krakow, Poland
[25] Natl Ctr Nucl Res NCBJ, Warsaw, Poland
[26] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania
[27] PNPI, Gatchina, Russia
[28] ITEP, Moscow, Russia
[29] Moscow State Univ SINP MSU, Inst Nucl Phys, Moscow, Russia
[30] Russian Acad Sci INR RAN, Inst Nucl Res, Moscow, Russia
[31] Budker Inst Nucl Phys SB RAS, Novosibirsk, Russia
[32] Novosibirsk State Univ, Novosibirsk 630090, Russia
[33] IHEP, Protvino, Russia
[34] Univ Barcelona, Barcelona, Spain
[35] Univ Santiago de Compostela, Santiago De Compostela, Spain
[36] European Org Nucl Res CERN, Geneva, Switzerland
[37] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland
[38] Univ Zurich, Inst Phys, Zurich, Switzerland
[39] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands
[40] Vrije Univ Amsterdam, Amsterdam, Netherlands
[41] NSC KIPT, Kharkov, Ukraine
[42] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine
[43] Univ Birmingham, Birmingham, W Midlands, England
[44] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England
[45] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[46] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
[47] STFC Rutherford Appleton Lab, Didcot, Oxon, England
[48] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland
[49] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland
[50] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England
关键词
Compilation and indexing terms; Copyright 2024 Elsevier Inc;
D O I
10.1103/PhysRevLett.110.031801
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A measurement of the CP asymmetry in B-0 -> K*(0)mu(+)mu(-) decays is presented, based on 1.0 fb(-1) of pp collision data recorded by the LHCb experiment during 2011. The measurement is performed in six bins of invariant mass squared of the mu(+)mu(-) pair, excluding the J/psi and psi(2S) resonance regions. Production and detection asymmetries are removed using the B-0 -> J/psi K*(0) decay as a control mode. The integrated CP asymmetry is found to be -0.072 +/- 0.040(stat) +/- 0.005(syst), consistent with the standard model. DOI: 10.1103/PhysRevLett.110.031801
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页数:8
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