Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at √s=1.96 TeV using kinematic characteristics of lepton plus jets events

被引：54
作者：
Abazov, V. M. [1 ]
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Ahn, S. H.
Ahsan, M.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alverson, G.
Alves, G. A.
Anastasoaie, M.
Ancu, L. S.
Andeen, T.
Anderson, S.
Andrieu, B.
Anzelc, M. S.
Arnoud, Y.
Arov, M.
Arthaud, M.
Askew, A.
Asman, B.
Jesus, A. C. S. Assis
Atramentov, O.
Autermann, C.
Avila, C.
Ay, C.
Badaud, F.
Baden, A.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, S.
Banerjee, P.
Barberis, E.
Barfuss, A. -F.
Bargassa, P.
Baringer, P.
Barreto, J.
Bartlett, J. F.
Bassler, U.
Bauer, D.
Beale, S.
Bean, A.
Begalli, M.
Begel, M.
Belanger-Champagne, C.
机构：
[1] Joint Inst Nucl Res, Dubna, Russia
[2] Univ Buenos Aires, Buenos Aires, DF, Argentina
[3] LAFEX, Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[4] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[5] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[6] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[7] Univ Alberta, Edmonton, AB, Canada
[8] McGill Univ, Montreal, PQ, Canada
[9] York Univ, Toronto, ON M3J 2R7, Canada
[10] Univ Sci & Technol China, Hefei 230026, Peoples R China
[11] Univ Los Andes, Bogota, Colombia
[12] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic
[13] Czech Tech Univ, CR-16635 Prague, Czech Republic
[14] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[15] Univ San Francisco Quito, Quito, Ecuador
[16] Univ Blaise Pascal, CNRS, IN2P3, Phys Corpusculaire Lab, Clermont Ferrand, France
[17] Univ Grenoble 1, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France
[18] Univ Mediterranee, CNRS, IN2P3, Lab Accelerateur Lineaire, Marseille, France
[19] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[20] Univ Paris 07, Paris, France
[21] CEA, Serv Phys Particules, DAPNIA, Saclay, France
[22] Univ Strasbourg, IPHC, Strasbourg, France
[23] Univ Haute Alsace, CNRS, IN2P3, Strasbourg, France
[24] Univ Lyon 1, F-69365 Lyon, France
[25] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France
[26] Rhein Westfal TH Aachen, Inst Phys, Aachen, Germany
[27] Univ Bonn, Inst Phys, D-5300 Bonn, Germany
[28] Univ Freiburg, Inst Phys, Freiburg, Germany
[29] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[30] Univ Munich, Munich, Germany
[31] Univ Gesamthsch 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, South Korea
[38] CINVESTAV, Mexico City 14000, DF, Mexico
[39] FOM Inst NIKHEF, Amsterdam, Netherlands
[40] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[41] Radboud Univ Nijmegen, NIKHEF, Nijmegen, Netherlands
[42] Inst Theoret & Expt Phys, Moscow 117259, Russia
[43] Moscow MV Lomonosov State Univ, Moscow, Russia
[44] Inst High Energy Phys, Protvino, Russia
[45] Petersburg Nucl Phys Inst, St Petersburg, Russia
[46] Lund Univ, Lund, Sweden
[47] Royal Inst Technol, Stockholm, Sweden
[48] Stockholm Univ, S-10691 Stockholm, Sweden
[49] Uppsala Univ, Uppsala, Sweden
[50] Univ Zurich, Inst Phys, Zurich, Switzerland
来源：
PHYSICAL REVIEW D | 2007年 / 76卷 / 09期
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1103/PhysRevD.76.092007
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a measurement of the top quark pair production cross section in p (p) over bar collisions at root s=1.96 TeV utilizing 425 pb(-1) of data collected with the D0 detector at the Fermilab Tevatron Collider. We consider the final state of the top quark pair containing one high-p(T) electron or muon and at least four jets. We exploit specific kinematic features of t (t) over bar events to extract the cross section. For a top quark mass of 175 GeV, we measure sigma(t (t) over bar)=6.4(-1.2)(+1.3)(stat)+/- 0.7(syst)+/- 0.4(lum) pb, in good agreement with the standard model prediction.
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页数：22
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