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Search in leptonic channels for heavy resonances decaying to long-lived neutral particles
CMS Collaboration
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号2
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search is performed for heavy resonances decaying to two long-lived massive neutral particles, each decaying to leptons. The experimental signature is a distinctive topology consisting of a pair of oppositely charged leptons originating at a separated secondary vertex. Events were collected by the CMS detector at the LHC during pp collisions at root s = 7 TeV, and selected from data samples corresponding to 4.1 (5.1) fb(-1) of integrated luminosity in the electron (muon) channel. No significant excess is observed above standard model expectations, and an upper limit is set with 95% confidence level on the production cross section times the branching fraction to leptons, as a function of the long-lived massive neutral particle lifetime.
关键词DISPLACED VERTICES
学科领域Physics
DOI10.1007/JHEP02(2013)085
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000316273700008
引用统计
被引频次:2[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/311005/213486
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 in leptonic channels for heavy resonances decaying to long-lived neutral particles[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(2).
APA CMS Collaboration.(2013).Search in leptonic channels for heavy resonances decaying to long-lived neutral particles.JOURNAL OF HIGH ENERGY PHYSICS(2).
MLA CMS Collaboration."Search in leptonic channels for heavy resonances decaying to long-lived neutral particles".JOURNAL OF HIGH ENERGY PHYSICS .2(2013).
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