Measurement of direct photon pair production cross sections in p(p)over-bar collisions at √s=1.96 TeV

被引：32

作者：

Abazov, V. M. ^{[40
]}

Abbott, B. ^{[79
]}

Abolins, M. ^{[68
]}

Acharya, B. S. ^{[32
]}

Adams, M. ^{[54
]}

Adams, T. ^{[52
]}

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

Alexeev, G. D. ^{[40
]}

Alkhazov, G. ^{[44
]}

Alton, A. ^{[67
]}

Alverson, G. ^{[66
]}

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

Ancu, L. S. ^{[39
]}

Aoki, M. ^{[53
]}

Arnoud, Y. ^{[15
]}

Arov, M. ^{[63
]}

Askew, A. ^{[52
]}

Asman, B. ^{[45
,46
]}

Atramentov, O. ^{[71
]}

Avila, C. ^{[9
]}

BackusMayes, J. ^{[86
]}

Badaud, F. ^{[14
]}

Bagby, L. ^{[53
]}

Baldin, B. ^{[53
]}

Bandurin, D. V. ^{[52
]}

Banerjee, S. ^{[32
]}

Barberis, E. ^{[66
]}

Barfuss, A. -F. ^{[16
]}

Baringer, P. ^{[61
]}

Barreto, J. ^{[3
]}

Bartlett, J. F. ^{[53
]}

Bassler, U. ^{[20
]}

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

Bean, A. ^{[61
]}

Begalli, M. ^{[4
]}

Begel, M. ^{[77
]}

Belanger-Champagne, C. ^{[45
,46
]}

Bellantoni, L. ^{[53
]}

Benitez, J. A. ^{[68
]}

Beri, S. B. ^{[30
]}

Bernardi, G. ^{[18
,19
]}

Bernhard, R. ^{[25
]}

Bertram, I. ^{[47
]}

Besancon, M. ^{[20
]}

Beuselinck, R. ^{[48
]}

Bezzubov, V. A. ^{[43
]}

Bhat, P. C. ^{[53
]}

Bhatnagar, V. ^{[30
]}

Blazey, G. ^{[55
]}

Blessing, S. ^{[52
]}

机构：

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

[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] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada

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

[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, CNRS, IN2P3, LPSC,Inst Natl Polytech Grenoble, Grenoble, France

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

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

[18] Univ Paris 06, LPNHE, Paris, France

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

[20] SPP, CEA, 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] 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] Sungkyunkwan Univ, Suwon, South Korea

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

[37] FOM Inst NIKHEF, Amsterdam, Netherlands

[38] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

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

[40] Joint Inst Nucl Res, Dubna, Russia

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

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

[43] Inst High Energy Phys, Protvino, Russia

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

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

[46] Uppsala Univ, Uppsala, Sweden

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

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

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

[50] Univ Arizona, Tucson, AZ 85721 USA

来源：

PHYSICS LETTERS B | 2010年 / 690卷 / 02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：

Diphoton; Cross section; DPP; Differential; DO; Tevatron; TRANSVERSE-MOMENTUM; SUPERSYMMETRY;

D O I：

10.1016/j.physletb.2010.05.017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of direct photon pair production cross sections using 4.2 fb(-1) of data collected with the DO detector at the Fermilab Tevatron p (p) over bar Collider. We measure single differential cross sections as a function of the diphoton mass, the transverse momentum of the diphoton system, the azimuthal angle between the photons, and the polar scattering angle of the photons. In addition, we measure double differential cross sections considering the last three kinematic variables in three diphoton mass bins. The results are compared with different perturbative QCD predictions and event generators. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：108 / 117

页数：10

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