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：31

作者：

Abazov, VM ^{[1
]}

Abbott, B

Abolins, M

Acharya, BS

Adams, M

Adams, T

Agelou, M

Agram, JL

Ahn, SH

Ahsan, M

Alexeev, GD

Alkhazov, G

Alton, A

Alverson, G

Alves, GA

Anastasoaie, M

Andeen, T

Anderson, S

Andrieu, B

Arnoud, Y

Askew, A

Åsman, B

Jesus, ACSA

Atramentov, O

Autermann, C

Avila, C

Badaud, F

Baden, A

Baldin, B

Balm, PW

Banerjee, S

Barberis, E

Bargassa, P

Baringer, P

Barnes, C

Barreto, J

Bartlett, JF

Bassler, U

Bauer, D

Bean, A

Beauceron, S

Begalli, M

Begel, M

Bellavance, A

Beri, SB

Bernardi, G

Bernhard, R

Bertram, I

Besançon, M

Beuselinck, R

机构：

[1] Univ Buenos Aires, Buenos Aires, DF, Argentina

[2] Ctr Brasileiro Pesquisas Fis, LAFEX, 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] Inst High Energy Phys, Beijing 100039, Peoples R China

[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, Ecuador

[16] Univ Clermont Ferrand, IN2P3, CNRS, Phys Corpusculaire Lab, Clermont Ferrand, France

[17] Univ Grenoble 1, CNRS, Lab Phys Subatom & Cosmol, IN2P3, Grenoble, France

[18] Univ Mediterranee, CNRS, IN2P3, CPPM, Marseille, France

[19] CNRS, Lab Accelerateur Lineaire, CPPM, Orsay, France

[20] CNRS, Lab Accelerateur Lineaire, IN2P3, Orsay, France

[21] Univ Paris 06, CNRS, LPNHE, IN2P3, Paris, France

[22] CEA Saclay, DAPNIA, Serv Phys Particules, Saclay, France

[23] Univ Strasbourg, CNRS, IN2P3, IReS, Strasbourg, France

[24] Univ Haute Alsace, Mulhouse, France

[25] Univ Lyon 1, CNRS, Inst Phys Nucl, IN2P3, F-69622 Villeurbanne, France

[26] Rhein Westfal TH Aachen, Inst Phys 3, D-5100 Aachen, Germany

[27] Univ Bonn, Inst Phys, D-5300 Bonn, Germany

[28] Univ Freiburg, Inst Phys, Freiburg, Germany

[29] Univ Munich, Mainz, Germany

[30] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany

[31] Panjab Univ, Chandigarh 160014, India

[32] Univ Delhi, Delhi 110007, India

[33] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[34] Univ Coll Dublin, Dublin 2, Ireland

[35] Korea Univ, Korea Detector Lab, Seoul 136701, South Korea

[36] CINVESTAV, Mexico City 14000, DF, Mexico

[37] Univ Amsterdam, FOM Inst, NIKHEF, Amsterdam, Netherlands

[38] Radboud Univ Nijmegen, NIKHEF, Nijmegen, Netherlands

[39] Dubna Joint Nucl Res Inst, Dubna 141980, Russia

[40] Inst Theoret & Expt Phys, Moscow 117259, Russia

[41] Moscow MV Lomonosov State Univ, Moscow, Russia

[42] Inst High Energy Phys, Protvino, Russia

[43] Petersburg Nucl Phys Inst, St Petersburg, Russia

[44] Lund Univ, Lund, Sweden

[45] Royal Inst Technol, Stockholm, Sweden

[46] Stockholm Univ, S-10691 Stockholm, Sweden

[47] Uppsala Univ, Uppsala, Sweden

[48] Univ Lancaster, Lancaster, England

[49] Univ London Imperial Coll Sci Technol & Med, London, England

[50] Univ Manchester, Manchester, Lancs, England

来源：

PHYSICS LETTERS B | 2005年 / 626卷

基金：

加拿大创新基金会; 美国国家科学基金会; 加拿大自然科学与工程研究理事会; 爱尔兰科学基金会; 俄罗斯基础研究基金会; 巴西圣保罗研究基金会;

关键词：

D O I：

10.1016/j.physletb.2005.08.104

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 (t (t) over bar) production cross section (sigma(t (t) over bar)) in pp collisions at a center-of-mass energy of 1.96 TeV using 230 pb(-1) of data collected by the DO detector at the Fermilab Tevatron Collider. We select events with one charged lepton (electron or muon), large missing transverse energy, and at least four jets, and extract the t (t) over bar content of the sample based on the kinematic characteristics of the events. For a top quark mass of 175 GeV, we measure sigma(t (t) over bar) 6.7(-1.3)(+1.4)(stat)(-1.1)(+1.6)(syst) +/- 0.4(lumi) pb, in good agreement with the standard model prediction. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：45 / 54

页数：10

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