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Measurement of the cross-section for b-jets produced in association with a Z boson at root s=7 TeV with the ATLAS detector ATLAS Collaboration
ATLAS collaboration
2012
发表期刊PHYSICS LETTERS B
卷号706期号:4--5页码:295-313
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A measurement is presented of the inclusive cross-section for b-jet production in association with a Z boson in pp collisions at a centre-of-mass energy of root s = 7 TeV. The analysis uses the data sample collected by the ATLAS experiment in 2010, corresponding to an integrated luminosity of approximately 36 pb(-1). The event selection requires a Z boson decaying into high P-T electrons or muons, and at least one b-jet, identified by its displaced vertex, with transverse momentum p(T) > 25 GeV and rapidity vertical bar y vertical bar < 2.1. After subtraction of background processes, the yield is extracted from the vertex mass distribution of the candidate b-jets. The ratio of this cross-section to the inclusive Z cross-section (the average number of b-jets per Z event) is also measured. Both results are found to be in good agreement with perturbative QCD predictions at next-to-leading order. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
关键词LHC
学科领域Physics
DOI10.1016/j.physletb.2011.11.059
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000299756800008
引用统计
被引频次:29[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/311005/213168
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 cross-section for b-jets produced in association with a Z boson at root s=7 TeV with the ATLAS detector ATLAS Collaboration[J]. PHYSICS LETTERS B,2012,706(4--5):295-313.
APA ATLAS collaboration.(2012).Measurement of the cross-section for b-jets produced in association with a Z boson at root s=7 TeV with the ATLAS detector ATLAS Collaboration.PHYSICS LETTERS B,706(4--5),295-313.
MLA ATLAS collaboration."Measurement of the cross-section for b-jets produced in association with a Z boson at root s=7 TeV with the ATLAS detector ATLAS Collaboration".PHYSICS LETTERS B 706.4--5(2012):295-313.
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