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Inclusive search for a vector-like T quark with charge 2/3 in pp collisions at root s=8 TeV
CMS Collaboration
2014
发表期刊PHYSICS LETTERS B
卷号729页码:149-171
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search is performed for a massive new vector-like quark T, with charge 2/3, that is pair produced together with its antiparticle in proton-proton collisions. The data were collected by the CMS experiment at the Large Hadron Collider in 2012 at root s = 8 TeV and correspond to an integrated luminosity of 19.5 fb(-1). The T quark is assumed to decay into three different final states, bW, tZ, and tH. The search is carried out using events with at least one isolated lepton. No deviations from standard model expectations are observed, and lower limits are set on the T quark mass at 95% confidence level. The lower limit lies between 687 and 782 GeV for all possible values of the branching fractions into the three different final states assuming strong production. These limits are the most stringent constraints to date on the existence of such a quark. (C) Published by Elsevier B.V.
关键词PAIR PRODUCTION FINAL-STATE HADRON COLLIDERS ATLAS DETECTOR LEPTON BOSON HEAVY LHC
学科领域Physics
DOI10.1016/j.physletb.2014.01.006
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000332436500026
引用统计
被引频次:122[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/311005/213674
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. Inclusive search for a vector-like T quark with charge 2/3 in pp collisions at root s=8 TeV[J]. PHYSICS LETTERS B,2014,729:149-171.
APA CMS Collaboration.(2014).Inclusive search for a vector-like T quark with charge 2/3 in pp collisions at root s=8 TeV.PHYSICS LETTERS B,729,149-171.
MLA CMS Collaboration."Inclusive search for a vector-like T quark with charge 2/3 in pp collisions at root s=8 TeV".PHYSICS LETTERS B 729(2014):149-171.
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