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Measurements of W gamma and Z gamma production in pp collisions at root s=7 TeV with the ATLAS detector at the LHC
ATLAS collaboration
2013
发表期刊PHYSICAL REVIEW D
卷号87期号:11
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要The integrated and differential fiducial cross sections for the production of a W or Z boson in association with a high-energy photon are measured using pp collisions at root s = 7 TeV. The analyses use a data sample with an integrated luminosity of 4.6 fb(-1) collected by the ATLAS detector during the 2011 LHC data-taking period. Events are selected using leptonic decays of the W and Z bosons [W(e nu, mu nu) and Z(e(+)e(-), mu(+)mu(-), nu(nu) over bar)] with the requirement of an associated isolated photon. The data are used to test the electroweak sector of the Standard Model and search for evidence for new phenomena. The measurements are used to probe the anomalous WW gamma, ZZ gamma, and Z gamma gamma triple-gauge-boson couplings and to search for the production of vector resonances decaying to Z gamma and W gamma. No deviations from Standard Model predictions are observed and limits are placed on anomalous triple-gauge-boson couplings and on the production of new vector meson resonances.
关键词GAUGE BOSON COUPLINGS CROSS-SECTION P(P)OVER-BAR COLLISIONS PARTON DISTRIBUTIONS SYMMETRY-BREAKING SEARCH TEVATRON PARTICLE SECTOR LIMITS
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.87.112003
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000319917800001
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213547
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Measurements of W gamma and Z gamma production in pp collisions at root s=7 TeV with the ATLAS detector at the LHC[J]. PHYSICAL REVIEW D,2013,87(11).
APA ATLAS collaboration.(2013).Measurements of W gamma and Z gamma production in pp collisions at root s=7 TeV with the ATLAS detector at the LHC.PHYSICAL REVIEW D,87(11).
MLA ATLAS collaboration."Measurements of W gamma and Z gamma production in pp collisions at root s=7 TeV with the ATLAS detector at the LHC".PHYSICAL REVIEW D 87.11(2013).
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