Measurement of the Electron Charge Asymmetry in p(p)over-bar → W plus X → eν plus X Events at √s=1.96 TeV

被引：61

作者：

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

Abbott, B. ^{[85
]}

Abolins, M. ^{[75
]}

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

Adams, M. ^{[61
]}

Adams, T. ^{[59
]}

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

Ahsan, M. ^{[69
]}

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

Alkhazov, G. ^{[46
]}

Alton, A. ^{[74
]}

Alverson, G. ^{[73
]}

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

Anastasoaie, M. ^{[42
]}

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

Andeen, T. ^{[63
]}

Andrieu, B. ^{[21
,22
]}

Anzelc, M. S. ^{[63
]}

Aoki, M. ^{[60
]}

Arnoud, Y. ^{[18
]}

Arov, M. ^{[70
]}

Arthaud, M. ^{[23
]}

Askew, A. ^{[59
]}

Asman, B. ^{[47
,48
,49
,50
]}

Assis Jesus, A. C. S. ^{[4
]}

Atramentov, O. ^{[59
]}

Avila, C. ^{[12
]}

Badaud, F. ^{[17
]}

Bagby, L. ^{[60
]}

Baldin, B. ^{[60
]}

Bandurin, D. V. ^{[69
]}

Banerjee, P. ^{[35
]}

Banerjee, S. ^{[35
]}

Barberis, E. ^{[73
]}

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

Bargassa, P. ^{[90
]}

Baringer, P. ^{[68
]}

Barreto, J. ^{[3
]}

Bartlett, J. F. ^{[60
]}

Bassler, U. ^{[23
]}

Bauer, D. ^{[52
]}

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

Bean, A. ^{[68
]}

Begalli, M. ^{[4
]}

Begel, M. ^{[83
]}

Belanger-Champagne, C. ^{[47
,48
,49
,50
]}

Bellantoni, L. ^{[60
]}

Bellavance, A. ^{[60
]}

Benitez, J. A. ^{[75
]}

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

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, 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, Ecuador

[17] Univ Clermont Ferrand, CNRS, LPC, IN2P3, Clermont, France

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

[19] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France

[20] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France

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

[22] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France

[23] SPP, Irfu, CEA, Saclay, France

[24] Univ Strasbourg 1, CNRS, IN2P3, IPHC, Strasbourg, France

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

[26] Univ Lyon, Lyon, France

[27] Rhein Westfal TH Aachen, Inst Phys 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] NIKHEF, FOM Inst, 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] Lund Univ, Lund, Sweden

[48] Royal Inst Technol, Stockholm, Sweden

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

[50] Uppsala Univ, Uppsala, Sweden

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 21期

基金：

英国科学技术设施理事会; 加拿大自然科学与工程研究理事会; 巴西圣保罗研究基金会; 瑞典研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.101.211801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a measurement of the electron charge asymmetry in p (p) over bar -> W + X -> e nu + X events at a center of mass energy of 1.96 TeV using 0.75 fb(-1) of data collected with the D0 detector at the Fermilab Tevatron Collider. The asymmetry is measured as a function of the electron transverse momentum and pseudorapidity in the interval (-3.2, 3.2) and is compared with expectations from next-to-leading order calculations in perturbative quantum chromodynamics. These measurements will allow more accurate determinations of the proton parton distribution functions.

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