Observation of Single Top-Quark Production

被引：207

作者：

Abazov, V. M. ^{[1
]}

Abbott, B. ^{[81
]}

Abolins, M. ^{[71
]}

Acharya, B. S. ^{[35
]}

Adams, M. ^{[57
]}

Adams, T. ^{[55
]}

Aguilo, E. ^{[7
,8
,9
,10
]}

Ahsan, M. ^{[65
]}

Alexeev, G. D. ^{[1
]}

Alkhazov, G. ^{[46
]}

Alton, A. ^{[71
]}

Alverson, G. ^{[69
]}

Alves, G. A. ^{[3
]}

Ancu, L. S. ^{[42
]}

Andeen, T. ^{[59
]}

Anzelc, M. S. ^{[59
]}

Aoki, M. ^{[56
]}

Arnoud, Y. ^{[18
]}

Arov, M. ^{[66
]}

Arthaud, M. ^{[23
]}

Askew, A. ^{[55
]}

Asman, B. ^{[47
,48
]}

Atramentov, O. ^{[55
]}

Avila, C. ^{[12
]}

BackusMayes, J. ^{[88
]}

Badaud, F. ^{[17
]}

Bagby, L. ^{[56
]}

Baldin, B. ^{[56
]}

Bandurin, D. V. ^{[65
]}

Banerjee, P. ^{[35
]}

Banerjee, S. ^{[35
]}

Barberis, E. ^{[69
]}

Barfuss, A. -F. ^{[19
]}

Bargassa, P. ^{[86
]}

Baringer, P. ^{[64
]}

Barreto, J. ^{[3
]}

Bartlett, J. F. ^{[56
]}

Bassler, U. ^{[23
]}

Bauer, D. ^{[50
]}

Beale, S. ^{[7
,8
,9
,10
]}

Bean, A. ^{[64
]}

Begalli, M. ^{[4
]}

Begel, M. ^{[79
]}

Belanger-Champagne, C. ^{[47
,48
]}

Bellantoni, L. ^{[56
]}

Bellavance, A. ^{[56
]}

Benitez, J. A. ^{[71
]}

Beri, S. B. ^{[33
]}

Bernardi, G. ^{[21
,22
]}

Bernhard, R. ^{[29
]}

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, BR-20550011 Rio De Janeiro, Brazil

[5] Univ Fed ABC, Santo 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, Fac Math & Phys, 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, IN293, Clermont, France

[18] Univ Grenoble 1, CNRS, LPSC, Inst Natl Polytech Grenoble,IN2P3, Grenoble, France

[19] Aix Marseille Univ, CPPM, CNRS, IN2P3, 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, Irfu, SPP, Saclay, France

[24] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France

[25] Univ Lyon 1, CNRS, IPNL, IN2P3, F-69622 Villeurbanne, France

[26] Univ Lyon, Lyon, France

[27] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

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

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

[30] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany

[31] Univ Munich, Munich, Germany

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

[33] Panjab Univ, Chandigarh 160014, India

[34] Univ Delhi, Delhi 110007, India

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

[36] Univ Coll Dublin, Dublin 2, Ireland

[37] Korea Univ, Korea Detector Lab, Seoul, South Korea

[38] Sungkyunkwan Univ, Suwon, South Korea

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

[40] FOM Inst NIKHEF, Amsterdam, Netherlands

[41] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

[42] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands

[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] Stockholm Univ, S-10691 Stockholm, Sweden

[48] Uppsala Univ, Uppsala, Sweden

[49] Univ Lancaster, Lancaster, England

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

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 09期

关键词：

FERMILAB-TEVATRON; COLLIDER; DETECTOR;

D O I：

10.1103/PhysRevLett.103.092001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report observation of the electroweak production of single top quarks in pp collisions at s=1.96 TeV based on 2.3 fb(-1) of data collected by the D0 detector at the Fermilab Tevatron Collider. Using events containing an isolated electron or muon and missing transverse energy, together with jets originating from the fragmentation of b quarks, we measure a cross section of sigma(pp -> tb+X,tqb+X)=3.94 +/- 0.88 pb. The probability to measure a cross section at this value or higher in the absence of signal is 2.5x10(-7), corresponding to a 5.0 standard deviation significance for the observation.

引用

页数：7

共 31 条

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