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Search for contact interactions in mu(+)mu(-) events in pp collisions at root s = 7 TeV
CMS Collaboration
2013
发表期刊PHYSICAL REVIEW D
卷号87期号:3
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Results are reported from a search for the effects of contact interactions using events with a high-mass, oppositely charged muon pair. The events are collected in proton-proton collisions at root s = 7 TeV using the Compact Muon Solenoid detector at the Large Hadron Collider. The data sample corresponds to an integrated luminosity of 5: 3 fb(-1). The observed dimuon mass spectrum is consistent with that expected from the standard model. The data are interpreted in the context of a quark-and muon-compositeness model with a left-handed isoscalar current and an energy scale parameter Lambda. The 95% confidence level lower limit on Lambda is 9.5 TeV under the assumption of destructive interference between the standard model and contact-interaction amplitudes. For constructive interference, the limit is 13.1 TeV. These limits are comparable to the most stringent ones reported to date. DOI: 10.1103/PhysRevD.87.032001
关键词FERMION-PAIR PRODUCTION COMPOSITENESS SCALES E(+)E(-) COLLISIONS STANDARD MODEL QUARK PHYSICS LEP COLLABORATION CONSTRAINTS ENERGIES
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.87.032001
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000314361500001
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被引频次:3[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/311005/213447
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 contact interactions in mu(+)mu(-) events in pp collisions at root s = 7 TeV[J]. PHYSICAL REVIEW D,2013,87(3).
APA CMS Collaboration.(2013).Search for contact interactions in mu(+)mu(-) events in pp collisions at root s = 7 TeV.PHYSICAL REVIEW D,87(3).
MLA CMS Collaboration."Search for contact interactions in mu(+)mu(-) events in pp collisions at root s = 7 TeV".PHYSICAL REVIEW D 87.3(2013).
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