Measurement of the WZ cross section and triple gauge couplings in p(p)over-bar collisions at √s=1.96 TeV

被引：30

作者：

Aaltonen, T. ^{[1
,2
]}

Alvarez Gonzalez, B. ^{[12
]}

Amerio, S. ^{[51
]}

Amidei, D. ^{[43
]}

Anastassov, A. ^{[19
]}

Annovi, A. ^{[21
]}

Antos, J. ^{[15
,16
]}

Apollinari, G. ^{[19
]}

Appel, J. A. ^{[19
]}

Arisawa, T. ^{[72
]}

Artikov, A. ^{[17
]}

Asaadi, J. ^{[65
]}

Ashmanskas, W. ^{[19
]}

Auerbach, B. ^{[75
]}

Aurisano, A. ^{[65
]}

Azfar, F. ^{[50
]}

Badgett, W. ^{[19
]}

Bae, T. ^{[28
,29
,30
,31
,32
,33
]}

Barbaro-Galtieri, A. ^{[34
]}

Barnes, V. E. ^{[59
]}

Barnett, B. A. ^{[26
]}

Barria, P. ^{[54
,56
]}

Bartos, P. ^{[15
,16
]}

Bauce, M. ^{[51
,52
]}

Bedeschi, F. ^{[54
]}

Behari, S. ^{[26
]}

Bellettini, G. ^{[54
,55
]}

Bellinger, J. ^{[74
]}

Benjamin, D. ^{[18
]}

Beretvas, A. ^{[19
]}

Bhatti, A. ^{[61
]}

Bisello, D. ^{[51
,52
]}

Bizjak, I. ^{[36
]}

Bland, K. R. ^{[7
]}

Blumenfeld, B. ^{[26
]}

Bocci, A. ^{[18
]}

Bodek, A. ^{[60
]}

Bortoletto, D. ^{[59
]}

Boudreau, J. ^{[58
]}

Boveia, A. ^{[14
]}

Brigliadori, L. ^{[8
,9
]}

Bromberg, C. ^{[44
]}

Brucken, E. ^{[1
,2
]}

Budagov, J. ^{[17
]}

Budd, H. S. ^{[60
]}

Burkett, K. ^{[19
]}

Busetto, G. ^{[51
,52
]}

Bussey, P. ^{[23
]}

Buzatu, A. ^{[39
,40
,41
,42
]}

Calamba, A. ^{[13
]}

机构：

[1] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland

[2] Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[3] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[4] Argonne Natl Lab, Argonne, IL 60439 USA

[5] Univ Athens, GR-15771 Athens, Greece

[6] Univ Autonoma Barcelona, ICREA, Inst Fis Altes Energies, E-08193 Bellaterra, Barcelona, Spain

[7] Baylor Univ, Waco, TX 76798 USA

[8] Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[9] Univ Bologna, I-40127 Bologna, Italy

[10] Univ Calif Davis, Davis, CA 95616 USA

[11] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[12] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[13] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[14] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[15] Comenius Univ, Bratislava 84248, Slovakia

[16] Inst Expt Phys, Kosice 04001, Slovakia

[17] Joint Inst Nucl Res, RU-141980 Dubna, Russia

[18] Duke Univ, Durham, NC 27708 USA

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

[20] Univ Florida, Gainesville, FL 32611 USA

[21] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[22] Univ Geneva, CH-1211 Geneva 4, Switzerland

[23] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[24] Harvard Univ, Cambridge, MA 02138 USA

[25] Univ Illinois, Urbana, IL 61801 USA

[26] Johns Hopkins Univ, Baltimore, MD 21218 USA

[27] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany

[28] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

[29] Seoul Natl Univ, Seoul 151742, South Korea

[30] Sungkyunkwan Univ, Suwon 440746, South Korea

[31] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea

[32] Chonnam Natl Univ, Kwangju 500757, South Korea

[33] Chonbuk Natl Univ, Jeonju 561756, South Korea

[34] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[35] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England

[36] UCL, London WC1E 6BT, England

[37] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

[38] MIT, Cambridge, MA 02139 USA

[39] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada

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

[41] Univ Toronto, Toronto, ON M5S 1A7, Canada

[42] TRIUMF, Vancouver, BC V6T 2A3, Canada

[43] Univ Michigan, Ann Arbor, MI 48109 USA

[44] Michigan State Univ, E Lansing, MI 48824 USA

[45] ITEP, Moscow 117259, Russia

[46] Univ New Mexico, Albuquerque, NM 87131 USA

[47] Ohio State Univ, Columbus, OH 43210 USA

[48] Okayama Univ, Okayama 7008530, Japan

[49] Osaka City Univ, Osaka 588, Japan

[50] Univ Oxford, Oxford OX1 3RH, England

来源：

PHYSICAL REVIEW D | 2012年 / 86卷 / 03期

基金：

美国国家科学基金会; 俄罗斯基础研究基金会; 瑞士国家科学基金会; 英国科学技术设施理事会; 加拿大自然科学与工程研究理事会; 芬兰科学院; 新加坡国家研究基金会; 澳大利亚研究理事会;

关键词：

D O I：

10.1103/PhysRevD.86.031104

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

This article describes the current most precise measurement of the WZ production cross section as well as limits on anomalous WWZ couplings at a center-of-mass energy of 1.96 TeV in proton-antiproton collisions for the Collider Detector at Fermilab (CDF). WZ candidates are reconstructed from decays containing three charged leptons and missing energy from a neutrino, where the charged leptons are either electrons or muons. Using data collected by the CDF II detector (7.1 fb(-1) of integrated luminosity), 63 candidate events are observed with the expected background contributing 8 +/- 1 events. The measured total cross section sigma(p (p) over bar -> WZ) = 3.93(-0.53)(+0.60)(stat)(-0.46)(+0.59)(syst) pb is in good agreement with the standard model prediction of 3.50 +/- 0.21. The same sample is used to set limits on anomalous WWZ couplings.

引用

页数：8

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