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Measurement of W(+/-)Z production in proton-proton collisions at root s=7 TeV with the ATLAS detector
ATLAS collaboration
2012
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号72期号:10
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Mathemat & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A study of W(+/-)Z production in proton-proton collisions at root s = 7 TeV is presented using data corresponding to an integrated luminosity of 4.6 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in 2011. In total, 317 candidates, with a background expectation of 68 +/- 10 events, are observed in double-leptonic decay final states with electrons, muons and missing transverse momentum. The total cross-section is determined to be sigma(tot)(WZ) = 19.0(-1.3)(+1.4)(stat.) +/- 0.9(syst.) +/- 0.4(lumi.) pb, consistent with the Standard Model expectation of 17.6(-1.0)(+1.1) pb. Limits on anomalous triple gauge boson couplings are derived using the transverse momentum spectrum of Z bosons in the selected events. The cross-section is also presented as a function of Z boson transverse momentum and diboson invariant mass.
关键词TRIPLE GAUGE COUPLINGS CROSS-SECTION LIMITS DECAY LHC
学科领域Physics
DOI10.1140/epjc/s10052-012-2173-0
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000310609100025
引用统计
被引频次:30[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/311005/213375
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. Measurement of W(+/-)Z production in proton-proton collisions at root s=7 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(10).
APA ATLAS collaboration.(2012).Measurement of W(+/-)Z production in proton-proton collisions at root s=7 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,72(10).
MLA ATLAS collaboration."Measurement of W(+/-)Z production in proton-proton collisions at root s=7 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 72.10(2012).
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