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Measurement of the Z -> tau tau cross section with the ATLAS detector
ATLAs Collaboration
2011
发表期刊PHYSICAL REVIEW D
卷号84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 Z -> tau tau cross section is measured with the ATLAS experiment at the LHC in four different final states determined by the decay modes of the tau leptons: muon-hadron, electron-hadron, electron-muon, and muon-muon. The analysis is based on a data sample corresponding to an integrated luminosity of 36 pb(-1), at a proton-proton center-of-mass energy of root s = 7 TeV. Cross sections are measured separately for each final state in fiducial regions of high detector acceptance, as well as in the full phase space, over the mass region 66-116 GeV. The individual cross sections are combined and the product of the total Z production cross section and Z -> tau tau branching fraction is measured to be 0.97 +/- 0.07(stat) +/- 0.06(syst) +/- 0: 03(lumi) nb, in agreement with next-to-next-to-leading order calculations.
关键词DECAY
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.84.112006
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000298131100002
引用统计
被引频次:9[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/311005/213152
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 the Z -> tau tau cross section with the ATLAS detector[J]. PHYSICAL REVIEW D,2011,84(11).
APA ATLAs Collaboration.(2011).Measurement of the Z -> tau tau cross section with the ATLAS detector.PHYSICAL REVIEW D,84(11).
MLA ATLAs Collaboration."Measurement of the Z -> tau tau cross section with the ATLAS detector".PHYSICAL REVIEW D 84.11(2011).
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