Search for W' → tb resonances with left- and right-handed couplings to fermions D0 Collaboration

被引：46

作者：

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

Abbott, B. ^{[75
]}

Acharya, B. S. ^{[31
]}

Adams, M. ^{[51
]}

Adams, T. ^{[49
]}

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

Alkhazov, G. ^{[31
]}

Alton, A. ^{[63
]}

Alverson, G. ^{[62
]}

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

Ancu, L. S. ^{[37
]}

Aoki, M. ^{[50
]}

Arov, M. ^{[60
]}

Askew, A. ^{[49
]}

Asman, B. ^{[42
,43
]}

Atramentov, O. ^{[67
]}

Avila, C. ^{[10
]}

BackusMayes, J. ^{[82
]}

Badaud, F. ^{[15
]}

Bagby, L. ^{[50
]}

Baldin, B. ^{[50
]}

Bandurin, D. V. ^{[49
]}

Banerjee, S. ^{[31
]}

Barberis, E. ^{[62
]}

Baringer, P. ^{[58
]}

Barreto, J. ^{[4
]}

Bartlett, J. F. ^{[50
]}

Bassler, U. ^{[20
]}

Bazterra, V. ^{[51
]}

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

Bean, A. ^{[58
]}

Begalli, M. ^{[4
]}

Beget, M. ^{[73
]}

Belanger-Champagne, C. ^{[42
,43
]}

Bellantoni, L. ^{[50
]}

Beri, S. B. ^{[29
]}

Bernardi, G. ^{[19
]}

Bernhard, R. ^{[25
]}

Bertram, I. ^{[44
]}

Besancon, M. ^{[20
]}

Beuselinck, R. ^{[45
]}

Bezzubov, V. A. ^{[40
]}

Bhat, Rc. ^{[50
]}

Bhatnagar, V. ^{[29
]}

Blazey, G. ^{[52
]}

Blessing, S. ^{[49
]}

Bloom, K. B. K. ^{[66
]}

Boehnlein, A. ^{[50
]}

Boline, D. ^{[72
]}

Bolton, T. A. ^{[59
]}

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] York Univ, Toronto, ON M3J 2R7, Canada

[8] Simon Fraser Univ, Vancouver, BC, Canada

[9] Univ Sci & Technol China, Hefei 230026, Peoples R China

[10] Univ Los Andes, Bogota, Colombia

[11] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic

[12] Czech Tech Univ, CR-16635 Prague, Czech Republic

[13] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic

[14] Univ San Francisco Quito, Quito, Ecuador

[15] Univ Blaise Pascal, CNRS, IN2P3, LPC, Clermont, France

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

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

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

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

[20] CEA, SPP, Saclay, France

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

[22] Univ Lyon, Lyon, France

[23] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, 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] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany

[29] Panjab Univ, Chandigarh 160014, India

[30] Univ Delhi, Delhi 110007, India

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

[32] Univ Coll Dublin, Dublin 2, Ireland

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

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

[35] FOM, Inst NIKHEF, NL-1098 SJ Amsterdam, Netherlands

[36] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

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

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

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

[40] Inst High Energy Phys, Protvino, Russia

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

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

[43] Uppsala Univ, Uppsala, Sweden

[44] Univ Lancaster, Lancaster LA1 4YB, England

[45] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England

[46] Univ Manchester, Manchester M13 9PL, Lancs, England

[47] Univ Arizona, Tucson, AZ 85721 USA

[48] Univ Calif Riverside, Riverside, CA 92521 USA

[49] Florida State Univ, Tallahassee, FL 32306 USA

[50] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

来源：

PHYSICS LETTERS B | 2011年 / 699卷 / 03期

基金：

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; 瑞典研究理事会;

关键词：

Wprime; Resonances; Top quark; Bottom quark; Left-right couplings; IDENTIFICATION;

D O I：

10.1016/j.physletb.2011.03.066

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a search for the production of a heavy gauge boson, W', that decays to third-generation quarks, by DO Collaboration in p (p) over bar) collisions at root s = 1.96 TeV. We set 95% confidence level upper limits on the production cross section times branching fraction. For the first time, we set limits for arbitrary combinations of left-and right-handed couplings of the W' boson to fermions. For couplings with the same strength as for the standard model W boson, we set the following limits, assuming that there are right-handed neutrinos nu(R) for all three generations with M(W') > m(nu(R)): M(W') > 863 GeV for purely left-handed couplings, M(W') > 885 GeV for purely right-handed couplings, and M(W') > 916 GeV if both left-and right-handed couplings are present. The limit for right-handed couplings improves for M(W') < m(nu(R)) to M(W') > 890 GeV. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：145 / 150

页数：6

共 21 条

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