Measurement of color flow in t(t)over-bar events from p(p)over-bar collisions at √s=1.96 TeV

被引:9
|
作者
Abazov, V. M. [39 ]
Abbott, B. [77 ]
Acharya, B. S. [32 ]
Adams, M. [53 ]
Adams, T. [51 ]
Alexeev, G. D. [39 ]
Alkhazov, G. [43 ]
Alton, A. [65 ]
Alverson, G. [64 ]
Alves, G. A. [2 ]
Ancu, L. S. [38 ]
Aoki, M.
Arov, M. [62 ]
Askew, A. [51 ]
Asman, B. [44 ,45 ]
Atramentov, O. [69 ]
Avila, C. [9 ]
BackusMayes, J. [84 ]
Badaud, F. [14 ]
Bagby, L.
Baldin, B. [52 ]
Bandurin, D. V. [51 ]
Banerjee, S. [32 ]
Barberis, E. [64 ]
Baringer, P. [60 ]
Barreto, J. [3 ]
Bartlett, J. F.
Bassler, U. [20 ]
Bazterra, V. [53 ]
Beale, S. [6 ,7 ]
Bean, A. [60 ]
Begalli, M. [3 ]
Begel, M. [75 ]
Belanger-Champagne, C. [44 ,45 ]
Bellantoni, L.
Beri, S. B. [30 ]
Bernardi, G. [18 ,19 ]
Bernhard, R. [25 ]
Bertram, I. [46 ]
Besancon, M. [20 ]
Beuselinck, R. [47 ]
Bezzubov, V. A. [42 ]
Bhat, P. C.
Bhatnagar, V. [30 ]
Blazey, G. [54 ]
Blessing, S. [51 ]
Bloom, K. [68 ]
Boehnlein, A. [52 ]
Boline, D. [74 ]
Bolton, T. A. [61 ]
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, BR-20550011 Rio De Janeiro, Brazil
[4] Univ Fed ABC, Santo Andre, Brazil
[5] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[6] Simon Fraser Univ, Vancouver, BC, Canada
[7] York Univ, Toronto, ON M3J 2R7, Canada
[8] Univ Sci & Technol China, Hefei 230026, Peoples R China
[9] Univ Los Andes, Bogota, Colombia
[10] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic
[11] Czech Tech Univ, CR-16635 Prague, Czech Republic
[12] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[13] Univ San Francisco Quito, Quito, Ecuador
[14] Univ Blaise Pascal, CNRS, IN2P3, LPC, Clermont, France
[15] Univ Grenoble 1, Inst Natl Polytech Grenoble, CNRS, IN2P3,LPSC, Grenoble, France
[16] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France
[17] Univ Paris Sud, CNRS, IN2P3, LAL, Orsay, France
[18] Univ Paris 06, LPNHE, Paris, France
[19] Univ Paris 07, CNRS, IN2P3, Paris, France
[20] CEA, Irfu, SPP, Saclay, France
[21] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France
[22] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France
[23] Univ Lyon, Lyon, France
[24] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany
[25] Univ Freiburg, Inst Phys, Freiburg, Germany
[26] Univ Gottingen, Inst Phys 2, Gottingen, Germany
[27] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[28] Univ Munich, Munich, Germany
[29] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[30] Panjab Univ, Chandigarh 160014, India
[31] Univ Delhi, Delhi 110007, India
[32] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[33] Univ Coll Dublin, Dublin 2, Ireland
[34] Korea Univ, Korea Detector Lab, Seoul, South Korea
[35] CINVESTAV, Mexico City 14000, DF, Mexico
[36] FOM Inst NIKHEF, Amsterdam, Netherlands
[37] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[38] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED 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] Stockholm Univ, S-10691 Stockholm, Sweden
[45] Uppsala Univ, Uppsala, Sweden
[46] Univ Lancaster, Lancaster LA1 4YB, England
[47] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
[48] Univ Manchester, Manchester M13 9PL, Lancs, England
[49] Univ Arizona, Tucson, AZ 85721 USA
[50] Univ Calif Riverside, Riverside, CA 92521 USA
来源
PHYSICAL REVIEW D | 2011年 / 83卷 / 09期
基金
瑞典研究理事会; 巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会;
关键词
D O I
10.1103/PhysRevD.83.092002
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the first measurement of the color representation of the hadronically decaying W boson in t (t) over bar events, from 5.3 fb(-1) of integrated luminosity collected with the D0 experiment. A novel calorimeter-based vectorial variable, "jet pull," is used, sensitive to the color-flow structure of the final state. We find that the fraction of uncolored W bosons is 0.56 +/- 0.42(stat + syst), in agreement with the standard model.
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页数:7
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