IHEP OpenIR  > 粒子天体物理中心
Search for flavor changing neutral currents in top quark decays in pp collisions at 7 TeV
CMS Collaboration
2013
发表期刊PHYSICS LETTERS B
卷号718期号:4--5页码:1252-1272
通讯作者Alverson, G (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要The results of a search for flavor changing neutral currents in top quark decays t -> Zq in events with a topology compatible with the decay chain t (t) over bar -> Wb + Zq -> lvb + llq are presented. The search is performed with a data sample corresponding to an integrated luminosity of 5.0 fb(-1) of proton-proton collisions at a center-of-mass energy of 7 TeV, collected with the CMS detector at the LHC. The observed number of events agrees with the standard model prediction and no evidence for flavor changing neutral currents in top quark decays is found. A t -> Zq branching fraction greater than 0.21% is excluded at the 95% confidence level. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.physletb.2012.12.045
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000314554300012
引用统计
被引频次:22[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/311005/213453
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for flavor changing neutral currents in top quark decays in pp collisions at 7 TeV[J]. PHYSICS LETTERS B,2013,718(4--5):1252-1272.
APA CMS Collaboration.(2013).Search for flavor changing neutral currents in top quark decays in pp collisions at 7 TeV.PHYSICS LETTERS B,718(4--5),1252-1272.
MLA CMS Collaboration."Search for flavor changing neutral currents in top quark decays in pp collisions at 7 TeV".PHYSICS LETTERS B 718.4--5(2013):1252-1272.
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