Search for the rare decay Bs0 → μ+μ-

被引:69
作者
Abazov, V. M. [38 ]
Abbott, B. [77 ]
Abolins, M. [66 ]
Acharya, B. S. [31 ]
Adams, M. [52 ]
Adams, T. [50 ]
Alexeev, G. D. [38 ]
Alkhazov, G. [42 ]
Alton, A. [65 ]
Alverson, G. [64 ]
Alves, G. A. [2 ]
Ancu, L. S. [37 ]
Aoki, M. [51 ]
Arnoud, Y. [15 ]
Arov, M. [61 ]
Askew, A. [50 ]
Asman, B. [43 ,44 ]
Atramentov, O. [69 ]
Avila, C. [9 ]
BackusMayes, J. [84 ]
Badaud, F. [14 ]
Bagby, L. [51 ]
Baldin, B. [51 ]
Bandurin, D. V. [50 ]
Banerjee, S. [31 ]
Barberis, E. [64 ]
Barfuss, A. -F.
Baringer, P. [59 ]
Barreto, J. [2 ]
Bartlett, J. F. [51 ]
Bassler, U. [19 ]
Beale, S. [6 ,7 ]
Bean, A. [59 ]
Begalli, M. [3 ]
Begel, M. [75 ]
Belanger-Champagne, C. [43 ,44 ]
Bellantoni, L. [51 ]
Benitez, J. A. [66 ]
Beria, S. B. [29 ]
Bernardi, G. [17 ,18 ]
Bernhard, R. [24 ]
Bertram, I. [45 ]
Besancon, M. [19 ]
Beuselinck, R. [46 ]
Bezzubov, V. A. [41 ]
Bhat, P. C. [51 ]
Bhatnagar, V. [29 ]
Blazey, G. [53 ]
Blessing, S. [50 ]
Bloom, K. [68 ]
机构
[1] Univ Buenos Aires, Buenos Aires, DF, Argentina
[2] LAFEX, Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[3] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil
[4] Univ Fed ABC, Santo Andre, Brazil
[5] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[6] Simon Fraser Univ, Vancouver, BC, Canada
[7] York Univ, Toronto, ON M3J 2R7, Canada
[8] Univ Sci & Technol China, Hefei 230026, Peoples R China
[9] Univ Los Andes, Bogota, Colombia
[10] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic
[11] Czech Tech Univ, CR-16635 Prague, Czech Republic
[12] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[13] Univ San Francisco Quito, Quito, Ecuador
[14] Univ Blaise Pascal, LPC, CNRS, IN2P3, Clermont, France
[15] Univ Grenoble 1, LPSC, CNRS,IN2P3, Inst Natl Polytech Grenoble, F-38031 Grenoble, France
[16] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[17] Univ Paris 06, LPNHE, Paris, France
[18] Univ Paris 07, CNRS, IN2P3, Paris, France
[19] Irfu, CEA, SPP, Saclay, France
[20] Univ Strasbourg, IPHC, CNRS, IN2P3, Strasbourg, France
[21] Univ Lyon 1, IPNL, CNRS, IN2P3, F-69622 Villeurbanne, France
[22] Univ Lyon, Lyon, France
[23] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany
[24] Univ Freiburg, Inst Phys, Freiburg, Germany
[25] Univ Gottingen, Inst Phys 2, Gottingen, Germany
[26] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[27] Univ Munich, Munich, Germany
[28] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[29] Panjab Univ, Chandigarh 160014, India
[30] Univ Delhi, Delhi 110007, India
[31] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India
[32] Univ Coll Dublin, Dublin 2, Ireland
[33] Korea Univ, Korea Detector Lab, Seoul, South Korea
[34] CINVESTAV, Mexico City 14000, DF, Mexico
[35] NIKHEF, FOM Inst, Amsterdam, Netherlands
[36] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[37] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands
[38] Joint Inst Nucl Res, Dubna, Russia
[39] Inst Theoret & Expt Phys, Moscow 117259, Russia
[40] Moscow MV Lomonosov State Univ, Moscow, Russia
[41] Inst High Energy Phys, Protvino, Russia
[42] Petersburg Nucl Phys Inst, St Petersburg, Russia
[43] Stockholm Univ, S-10691 Stockholm, Sweden
[44] Uppsala Univ, Uppsala, Sweden
[45] Univ Lancaster, Lancaster LA1 4YB, England
[46] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
[47] Univ Manchester, Manchester M13 9PL, Lancs, England
[48] Univ Arizona, Tucson, AZ 85721 USA
[49] Univ Calif Riverside, Riverside, CA 92521 USA
[50] Florida State Univ, Tallahassee, FL 32306 USA
基金
巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会; 瑞典研究理事会;
关键词
b-quarks; Rare decays; CP-VIOLATION; B-DECAYS; RUN-II; PARTICLE; FLAVOR;
D O I
10.1016/j.physletb.2010.09.024
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the results of a search for the flavor changing neutral current decay B-s(0) -> mu(+)mu(-) using 6.1 fb(-1) of p (p) over bar collisions at root s = 1.96 TeV collected by the D0 experiment at the Fermilab Tevatron Collider. The observed number of B-s(0) candidates is consistent with background expectations. The resulting upper limit on the branching fraction is B(B-s(0) -> mu(+)mu(-)) < 5.1 x 10(-8) at the 95% C.L. This limit is a factor of 2.4 better than that of the previous DO analysis and the best limit to date. Published by Elsevier B.V.
引用
收藏
页码:539 / 544
页数:6
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