Search for Associated W and Higgs Boson Production in p(p)over-bar Collisions at √s=1.96 TeV

被引:18
作者
Abazov, V. M. [1 ]
Abbott, B. [84 ]
Abolins, M. [74 ]
Acharya, B. S. [35 ]
Adams, M. [60 ]
Adams, T. [58 ]
Aguilo, E. [7 ,8 ,9 ,10 ]
Ahsan, M. [68 ]
Alexeev, G. D. [1 ]
Alkhazov, G. [46 ]
Alton, A. [73 ]
Alverson, G. [72 ]
Alves, G. A. [3 ]
Anastasoaie, M. [42 ]
Ancu, L. S. [42 ]
Andeen, T. [62 ]
Andrieu, B. [21 ,22 ]
Anzelc, M. S. [62 ]
Aoki, M. [59 ]
Arnoud, Y. [18 ]
Arov, M. [69 ]
Arthaud, M. [22 ,23 ]
Askew, A. [58 ]
Asman, B. [47 ,48 ,49 ,50 ]
Jesus, A. C. S. Assis [4 ]
Atramentov, O. [58 ]
Avila, C. [12 ]
Badaud, F. [17 ]
Bagby, L. [59 ]
Baldin, B. [59 ]
Bandurin, D. V. [68 ]
Banerjee, P. [35 ]
Banerjee, S. [35 ]
Barberis, E. [72 ]
Barfuss, A. -F. [19 ]
Bargassa, P. [89 ]
Baringer, P. [67 ]
Barreto, J. [3 ]
Bartlett, J. F. [59 ]
Bassler, U. [22 ,23 ]
Bauer, D. [52 ]
Beale, S. [7 ,8 ,9 ,10 ]
Bean, A. [67 ]
Begalli, M. [4 ]
Begel, M. [82 ]
Belanger-Champagne, C. [47 ,48 ,49 ,50 ]
Bellantoni, L. [59 ]
Bellavance, A. [59 ]
Benitez, J. A. [74 ]
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 Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[16] Univ San Francisco Quito, Quito, Ecuador
[17] Univ Blaise Pascal, LPC, CNRS, IN2P3, Clermont, France
[18] Univ Grenoble 1, LPSC, CNRS, IN2P3,Inst Natl Polytech Grenoble, Grenoble, France
[19] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[20] Univ Paris Sud, LAL, CNRS, IN2P3, Orsay, France
[21] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[22] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France
[23] CEA, Irfu, SPP, Saclay, France
[24] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France
[25] Univ Lyon 1, IPNL, CNRS, IN2P3, F-69622 Villeurbanne, France
[26] Univ Lyon, Lyon, France
[27] Univ Aachen, Rhein Westfal TH Aachen, Phys Inst A 3, D-5100 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, Mumbai 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, NL-1098 SJ 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
基金
加拿大自然科学与工程研究理事会; 瑞典研究理事会; 巴西圣保罗研究基金会;
关键词
Atomic physics - Germanium alloys;
D O I
10.1103/PhysRevLett.102.051803
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present results of a search for WH -> l nu b (b) over bar production in p (p) over bar collisions based on the analysis of 1.05 fb(-1) of data collected by the D0 experiment at the Fermilab Tevatron, using a neural network for separating the signal from backgrounds. No signal-like excess is observed, and we set 95% C. L. upper limits on the WH production cross section multiplied by the branching ratio for H -> b (b) over bar for Higgs boson masses between 100 and 150 GeV. For a mass of 115 GeV, we obtain an observed (expected) limit of 1.5 (1.4) pb, a factor of 11.4 (10.7) times larger than the standard model prediction.
引用
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页数:7
相关论文
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