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Search for first generation scalar leptoquarks in the e nu jj channel in pp collisions at root s=7 TeV
CMS Collaboration
2011
发表期刊PHYSICS LETTERS B
卷号703期号:3页码:246-266
通讯作者Tenchini, R (reprint author), INFN Sez Pisa, Pisa, Italy.
摘要A search for pair-production of first generation scalar leptoquarks is performed in the final state containing an electron, a neutrino, and at least two jets using proton-proton collision data at root s = 7 TeV. The data were collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 36 pb(-1). The number of observed events is in good agreement with the predictions for standard model processes. Prior CMS results in the dielectron channel are combined with this electron + neutrino search. A 95% confidence level combined lower limit is set on the mass of a first generation scalar leptoquark at 339 GeV for beta = 0.5, where beta is the branching fraction of the leptoquark to an electron and a quark. These results represent the most stringent direct limits to date for values of beta greater than 0.05. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
关键词PARTICLES FORCES DECAYS LEP
学科领域Physics
DOI10.1016/j.physletb.2011.07.089
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000295198300007
引用统计
被引频次:12[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/311005/213116
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 first generation scalar leptoquarks in the e nu jj channel in pp collisions at root s=7 TeV[J]. PHYSICS LETTERS B,2011,703(3):246-266.
APA CMS Collaboration.(2011).Search for first generation scalar leptoquarks in the e nu jj channel in pp collisions at root s=7 TeV.PHYSICS LETTERS B,703(3),246-266.
MLA CMS Collaboration."Search for first generation scalar leptoquarks in the e nu jj channel in pp collisions at root s=7 TeV".PHYSICS LETTERS B 703.3(2011):246-266.
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