Zγ production and limits on anomalous ZZγ and Zγγ couplings in p(p)over-bar collisions at √s 1.96 TeV

被引：25

作者：

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

Abbott, B. ^{[76
]}

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

Adams, M. ^{[52
]}

Adams, T. ^{[50
]}

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

Alkhazov, G. ^{[40
]}

Alton, A. ^{[64
]}

Alverson, G. ^{[63
]}

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

Aoki, M. ^{[51
]}

Askew, A. ^{[50
]}

Asman, B. ^{[43
,44
]}

Atkins, S. ^{[61
]}

Atramentov, O. ^{[68
]}

Augsten, K. ^{[10
]}

Avila, C. ^{[8
]}

BackusMayes, J. ^{[83
]}

Badaud, F. ^{[13
]}

Bagby, L. ^{[51
]}

Baldin, B. ^{[51
]}

Bandurin, D. V. ^{[50
]}

Banerjee, S. ^{[31
]}

Barberis, E. ^{[63
]}

Baringer, P. ^{[59
]}

Barreto, J. ^{[4
]}

Bartlett, J. F. ^{[51
]}

Bassler, U. ^{[23
]}

Bazterra, V. ^{[52
]}

Bean, A. ^{[59
]}

Begalli, M. ^{[4
]}

Belanger-Champagne, C. ^{[43
,44
]}

Bellantoni, L. ^{[51
]}

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

Bernardi, G. ^{[17
,18
]}

Bernhard, R. ^{[24
]}

Bertram, I. ^{[45
]}

Besancon, M. ^{[23
]}

Beuselinck, R. ^{[46
]}

Bezzubov, V. A. ^{[39
]}

Bhat, P. C. ^{[51
]}

Bhatnagar, V. ^{[29
]}

Blazey, G. ^{[53
]}

Blessing, S. ^{[50
]}

Bloom, K. ^{[67
]}

Boehnlein, A. ^{[51
]}

Boline, D. ^{[73
]}

Boos, E. E. ^{[38
]}

Borissov, G. ^{[45
]}

Bose, T. ^{[62
]}

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 Sci & Technol China, Hefei 230026, Peoples R China

[8] Univ Los Andes, Bogota, Colombia

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

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

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

[12] Univ San Francisco Quito, Quito, Ecuador

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

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

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

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

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

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

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

[20] Univ Lyon, Lyon, France

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

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

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

[24] Univ Freiburg, Inst Phys, D-79106 Freiburg, Germany

[25] Univ Gottingen, Inst Phys 2, Gottingen, Germany

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

[27] Univ Munich, Munich, 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] Nikhef, Amsterdam, Netherlands

[36] Radboud Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands

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

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

[39] Inst High Energy Phys, Protvino, Russia

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

[41] ICREA, Barcelona, Spain

[42] IFAE, Barcelona, Spain

[43] Uppsala Univ, Uppsala, Sweden

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

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

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

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

[48] Univ Arizona, Tucson, AZ 85721 USA

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

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

来源：

PHYSICAL REVIEW D | 2012年 / 85卷 / 05期

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：

Z-GAMMA PRODUCTION; GAUGE-BOSON COUPLINGS; ZZ-GAMMA; SEARCH;

D O I：

10.1103/PhysRevD.85.052001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of p (p) over bar -> Z gamma -> l(+)l(-)gamma (l = e, mu) production with a data sample corresponding to an integrated luminosity of 6.2 fb(-1) collected by the D0 detector at the Fermilab Tevatron p (p) over bar Collider. The results of the electron and muon channels are combined, and we measure the total production cross section and the differential cross section d(sigma)/dp(T)(gamma), where p(T)(gamma) is the momentum of the photon in the plane transverse to the beam line. The results obtained are consistent with the standard model predictions from next-to-leading order calculations. We use the transverse momentum spectrum of the photon to place limits on anomalous ZZ gamma and Z gamma gamma couplings.

引用

页数：10

共 50 条

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Abazov, V. M.
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Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Ahn, S. H.
Ahsan, M.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
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Alves, G. A.
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Bartlett, J. F.
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