Search for single b*-quark production with the ATLAS detector at root s=7 TeV
ATLAS Collaboration
刊名PHYSICS LETTERS B
2013
卷号721期号:4--5页码:171-189
关键词PRODUCTION CROSS-SECTION TOP-QUARK PP COLLISIONS PAIR PRODUCTION EXCITED QUARKS PHYSICS CHANNEL BOSON HERA
学科分类Physics
DOI10.1016/j.physletb.2013.03.016
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
英文摘要The results of a search for an excited bottom-quark b* in pp collisions at root s = 7 TeV, using 4.7 fb(-1) of data collected by the ATLAS detector at the LHC are presented. In the model studied, a single b*-quark is produced through a chromomagnetic interaction and subsequently decays to a W boson and a top quark. The search is performed in the dilepton and lepton + jets final states, which are combined to set limits on b*-quark couplings for a range of b*-quark masses. For a benchmark with unit size chromomagnetic and Standard Model-like electroweak b* couplings, b* quarks with masses less than 870 GeV are excluded at the 95% credibility level. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000318055900001
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被引频次:12[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/311005/213514
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. Search for single b*-quark production with the ATLAS detector at root s=7 TeV[J]. PHYSICS LETTERS B,2013,721(4--5):171-189.
APA ATLAS Collaboration.(2013).Search for single b*-quark production with the ATLAS detector at root s=7 TeV.PHYSICS LETTERS B,721(4--5),171-189.
MLA ATLAS Collaboration."Search for single b*-quark production with the ATLAS detector at root s=7 TeV".PHYSICS LETTERS B 721.4--5(2013):171-189.
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