Study of the decay Bs0→Ds(*)Ds(*)

被引:6
|
作者
Abazov, V. M. [42 ]
Abbott, B. [85 ]
Abolins, M. [75 ]
Acharya, B. S. [34 ]
Adams, M. [61 ]
Adams, T. [59 ]
Aguilo, E. [5 ,6 ,7 ,8 ]
Ahn, S. H. [36 ]
Ahsan, M. [69 ]
Alexeev, G. D. [42 ]
Alkhazov, G. [46 ]
Alton, A.
Alverson, G. [73 ]
Alves, G. A. [2 ]
Anastasoaie, M. [41 ]
Ancu, L. S. [41 ]
Andeen, T. [63 ]
Anderson, S. [54 ]
Andrieu, B. [20 ,21 ]
Anzelc, M. S. [63 ]
Arnoud, Y. [16 ]
Arov, M. [62 ]
Askew, A. [59 ]
Asman, B. [47 ,48 ,49 ]
Jesus, A. C. S. Assis [3 ]
Atramentov, O. [59 ]
Autermann, C. [27 ]
Avila, C. [10 ]
Ay, C. [29 ]
Badaud, F. [15 ]
Baden, A. [71 ]
Bagby, L. [62 ]
Baldin, B. [60 ]
Bandurin, D. V. [69 ]
Banerjee, P. [34 ]
Banerjee, S. [34 ]
Barberis, E. [73 ]
Barfuss, A. -F. [17 ]
Bargassa, P. [90 ]
Baringer, P. [68 ]
Barreto, J. [2 ]
Bartlett, J. F. [60 ]
Bassler, U. [20 ,21 ]
Bauer, D. [52 ]
Beale, S. [5 ,6 ,8 ]
Bean, A. [68 ]
Begalli, M. [3 ]
Begel, M. [81 ]
Belanger-Champagne, C. [47 ,48 ,49 ]
Bellantoni, L. [60 ]
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, Rio De Janeiro, Brazil
[4] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[5] Univ Alberta, Edmonton, AB, Canada
[6] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[7] York Univ, Toronto, ON M3J 2R7, Canada
[8] McGill Univ, Montreal, PQ, Canada
[9] Univ Sci & Technol China, Hefei 230026, Peoples R China
[10] Univ Los Andes, Bogota, Colombia
[11] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic
[12] Czech Tech Univ, CR-16635 Prague, Czech Republic
[13] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[14] Univ San Francisco Quito, Quito, Ecuador
[15] Univ Clermont Ferrand, CNRS, IN2P3, Phys Corpusculaire Lab, Clermont Ferrand, France
[16] Univ Grenoble 1, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France
[17] Uni Mediterranee, CNRS, IN2P3, CPPM, Marseille, France
[18] Univ Paris 11, Orsay, France
[19] CNRS, IN2P3, Lab Accelerateur Lineaire, Orsay, France
[20] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[21] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France
[22] CEA Saclay, DAPNIA Serv Phys Particules, Saclay, France
[23] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France
[24] Univ Haute Alsace, Mulhouse, France
[25] Univ Lyon, Lyon, France
[26] Univ Lyon 1, CNRS, IN2P3, IPNL, Villeurbanne, France
[27] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany
[28] Univ Bonn, Inst Phys, D-5300 Bonn, Germany
[29] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[30] Univ Munich, Munich, Germany
[31] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[32] Panjab Univ, Chandigarh 160014, India
[33] Univ Delhi, Delhi 110007, India
[34] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[35] Univ Coll Dublin, Dublin 2, Ireland
[36] Korea Univ, Korea Detector Lab, Seoul 136701, South Korea
[37] Sungkyunkwan Univ, Suwon 440746, South Korea
[38] CINVESTAV, Mexico City 14000, DF, Mexico
[39] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[40] FOM, Inst NIKHEF, Amsterdam, Netherlands
[41] Radboud Univ Nijmegen, NIKHEF, Nijmegen, Netherlands
[42] Joint Inst Nucl Res, Dubna, Russia
[43] Inst Theoret & Expt Phys, Moscow 117259, Russia
[44] Moscow MV Lomonosov State Univ, Moscow, Russia
[45] Inst High Energy Phys, Protvino, Russia
[46] Petersburg Nucl Phys Inst, St Petersburg, Russia
[47] Uppsala Univ, Uppsala, Sweden
[48] Stockholm Univ, S-10691 Stockholm, Sweden
[49] Lund Univ, Royal Inst Technol, Lund, Sweden
[50] Univ Zurich, Inst Phys, Zurich, Switzerland
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevLett.99.241801
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report a study of the decay B-s(0)->(DsDs(*))-D-(*) using a data sample corresponding to 1.3 fb(-1) of integrated luminosity collected by the D0 experiment in 2002-2006 during run II of the Fermilab Tevatron collider. One D-s((*)) meson was partially reconstructed in the decay D-s ->phi mu nu, and the other D-s((*)) meson was identified using the decay D-s ->phi pi where no attempt was made to distinguish D-s and D-s(*) states. For the branching fraction Br(B-s(0)->(DsDs(*))-D-(*)) we obtain a 90% C.L. range [0.002,0.080] and central value 0.039(-0.017)(+0.019)(stat)(-0.015)(+0.016)(syst). This was subsequently used to make the most precise estimate of the width difference Delta Gamma(CP)(s) in the B-s(0)-(B)over bar(s)(0) system: Delta Gamma(CP)(s)/Gamma(s)=0.079(-0.035)(+0.038)(stat)(-0.030)(+0.031)(syst).
引用
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页数:7
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