Search for fractionally charged particles in pp collisions at root s=7 TeV
CMS Collaboration
刊名PHYSICAL REVIEW D
2013
卷号87期号:9
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.87.092008
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
英文摘要A search is presented for free heavy long-lived fractionally charged particles produced in pp collisions at root s = 7 TeV. The data sample was recorded by the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 fb(-1). Candidate fractionally charged particles are identified by selecting tracks with associated low charge measurements in the silicon tracking detector. Observations are found to be consistent with expectations for background processes. The results of the search are used to set upper limits on the cross section for pair production of fractionally charged, massive spin-1/2 particles that are neutral under SU(3)(C) and SU(2)(L). We exclude at 95% confidence level such particles with electric charge +/- 2e/3 with masses below 310 GeV, and those with charge +/- e/3 with masses below 140 GeV.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000319283500002
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被引频次:10[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/311005/213534
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for fractionally charged particles in pp collisions at root s=7 TeV[J]. PHYSICAL REVIEW D,2013,87(9).
APA CMS Collaboration.(2013).Search for fractionally charged particles in pp collisions at root s=7 TeV.PHYSICAL REVIEW D,87(9).
MLA CMS Collaboration."Search for fractionally charged particles in pp collisions at root s=7 TeV".PHYSICAL REVIEW D 87.9(2013).
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