Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at √s=1.96 TeV

被引:31
作者
Abazov, V. M. [1 ]
Abbott, B. [86 ]
Abolins, M. [76 ]
Acharya, B. S. [36 ]
Adams, M. [62 ]
Adams, T. [60 ]
Aguilo, E. [7 ,8 ,9 ,10 ]
Ahn, S. H. [38 ]
Ahsan, M. [70 ]
Alexeev, G. D. [1 ]
Alkhazov, G. [47 ]
Alton, A. [75 ]
Alverson, G. [74 ]
Alves, G. A. [3 ]
Anastasoaie, M. [43 ]
Ancu, L. S. [43 ]
Andeen, T. [64 ]
Anderson, S. [55 ]
Andrieu, B. [21 ,22 ]
Anzelc, M. S. [64 ]
Aoki, M. [61 ]
Arnoud, Y. [18 ]
Arov, M. [71 ]
Arthaud, M. [23 ]
Askew, A. [60 ]
Asman, B. [48 ,49 ,50 ,51 ]
Jesus, A. C. S. Assis [4 ]
Atramentov, O. [60 ]
Avila, C. [12 ]
Ay, C. [31 ]
Badaud, F. [17 ]
Baden, A. [72 ]
Bagby, L. [61 ]
Baldin, B. [61 ]
Bandurin, D. V. [70 ]
Banerjee, P. [36 ]
Banerjee, S. [36 ]
Barberis, E. [74 ]
Barfuss, A. -F. [19 ]
Bargassa, P. [91 ]
Baringer, P. [69 ]
Barreto, J. [3 ]
Bartlett, J. F. [61 ]
Bassler, U. [23 ]
Bauer, D. [53 ]
Beale, S. [7 ,8 ,9 ,10 ]
Bean, A. [69 ]
Begalli, M. [4 ]
Begel, M. [84 ]
Belanger-Champagne, C. [48 ,49 ,50 ,51 ]
机构
[1] Joint Inst Nucl Res, Dubna, Russia
[2] Univ Buenos Aires, Buenos Aires, DF, Argentina
[3] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil
[4] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[5] Univ Fed ABC, Santro Andre, Brazil
[6] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[7] Univ Alberta, Edmonton, AB, Canada
[8] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[9] York Univ, Toronto, ON M3J 2R7, Canada
[10] McGill Univ, Montreal, PQ, Canada
[11] Univ Sci & Technol China, Hefei 230026, Peoples R China
[12] Univ Los Andes, Bogota, Colombia
[13] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic
[14] Czech Tech Univ, CR-16635 Prague, Czech Republic
[15] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[16] Univ San Francisco Quito, Quito, Ecuador
[17] Univ Clermont Ferrand, LPC, CNRS, IN2P3, Clermont, France
[18] Univ Grenoble 1, LPSC, CNRS, IN2P3,Inst Natl Polytech, F-38041 Grenoble, France
[19] Univ Aix Marseille 2, CPPM, IN2P3, CNRS, Marseille, France
[20] Univ Paris 11, CNRS, LAL, IN2P3, F-91405 Orsay, France
[21] Univ Paris 06, CNRS, LPNHE, IN2P3, Paris, France
[22] Univ Paris 07, Paris, France
[23] CEA, DAPNIA, Serv Phys Particules, Saclay, France
[24] Univ Strasbourg 1, IPHC, Strasbourg, France
[25] Univ Haute Alsace, CNRS, IN2P3, Strasbourg, France
[26] Univ Lyon 1, CNRS, IPNL, IN2P3, F-69622 Villeurbanne, France
[27] Univ Lyon, Lyon, France
[28] Rhein Westfal TH Aachen, Inst Phys A 3, Aachen, Germany
[29] Univ Bonn, Inst Phys, D-5300 Bonn, Germany
[30] Univ Freiburg, Inst Phys, Freiburg, Germany
[31] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[32] Univ Munich, Munich, Germany
[33] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[34] Panjab Univ, Chandigarh 160014, India
[35] Univ Delhi, Delhi 110007, India
[36] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[37] Univ Coll Dublin, Dublin 2, Ireland
[38] Korea Univ, Korea Detector Lab, Seoul, South Korea
[39] Sungkyunkwan Univ, Suwon, South Korea
[40] CINVESTAV, Mexico City 14000, DF, Mexico
[41] FOM, Inst NIKHEF, NL-1098 SJ Amsterdam, Netherlands
[42] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[43] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands
[44] Inst Theoret & Expt Phys, Moscow 117259, Russia
[45] Moscow MV Lomonosov State Univ, Moscow, Russia
[46] Inst High Energy Phys, Protvino, Russia
[47] Petersburg Nucl Phys Inst, St Petersburg, Russia
[48] Royal Inst Technol, Stockholm, Sweden
[49] Lund Univ, Lund, Sweden
[50] Stockholm Univ, S-10691 Stockholm, Sweden
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevLett.100.192004
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We measure the t (t) over bar production cross section in p (p) over bar collisions at root s = 1.96 TeV in the lepton + jets channel. Two complementary methods discriminate between signal and background: b tagging and a kinematic likelihood discriminant. Based on 0.9 fb(-1) of data collected by the D0 detector at the Fermilab Tevatron Collider, we measure sigma(t (t) over bar) = 7.62 +/- 0.85 pb, assuming the current world average m(t) = 172.6 GeV. We compare our cross section measurement with theory predictions to determine a value for the top-quark mass of 170 +/- 7 GeV.
引用
收藏
页数:7
相关论文
共 22 条
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