Measurement of W gamma and Z gamma production in proton-proton collisions at root s=7 TeV with the ATLAS detector
ATLAS Collaboration
刊名JOURNAL OF HIGH ENERGY PHYSICS
2011
期号9
关键词PARTON DISTRIBUTIONS PP COLLISIONS LHC
学科分类Physics
DOI10.1007/JHEP09(2011)072
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Freiburg, Germany.
英文摘要We present studies of W and Z bosons with associated high energy photons produced in pp collisions at root s = 7 TeV. The analysis uses 35 pb(-1) of data collected by the ATLAS experiment in 2010. The event selection requires W and Z bosons decaying into high pT leptons (electrons or muons) and a photon with E-T > 15 GeV separated from the lepton(s) by a distance Delta R(l, gamma) > 0.7 in eta-phi space. A total of 95 (97) pp -> e(+/-)nu gamma + X (pp -> mu(+/-)nu gamma + X) and 25 (23) pp -> e(+)e(-)gamma + X (pp -> mu(+)mu(-)gamma + X) event candidates are selected. The kinematic distributions of the leptons and photons and the production cross sections are measured. The data are found to agree with Standard Model predictions that include next-to-leading-order O(alpha alpha(s)) contributions.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000296087000001
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被引频次:7[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/311005/213122
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Measurement of W gamma and Z gamma production in proton-proton collisions at root s=7 TeV with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2011(9).
APA ATLAS Collaboration.(2011).Measurement of W gamma and Z gamma production in proton-proton collisions at root s=7 TeV with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(9).
MLA ATLAS Collaboration."Measurement of W gamma and Z gamma production in proton-proton collisions at root s=7 TeV with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .9(2011).
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