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Search for pair production of first or second generation leptoquarks in proton-proton collisions at root s=7 TeV using the ATLAS detector at the LHC
ATLAS collaboration
2011
发表期刊PHYSICAL REVIEW D
卷号83期号:11
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Freiburg, Germany.
摘要This paper describes searches for the pair production of first or second generation scalar leptoquarks using 35 pb(-1) of proton-proton collision data recorded by the ATLAS detector at root s = 7 TeV. Leptoquarks are searched in events with two oppositely-charged muons or electrons and at least two jets, and in events with one muon or electron, missing transverse momentum and at least two jets. After event selection, the observed yields are consistent with the predicted backgrounds. Leptoquark production is excluded at the 95% CL for masses M-LQ < 376 (319) GeV and M-LQ < 422 (362) GeV for first and second generation scalar leptoquarks, respectively, when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5).
关键词SU(15) GRAND UNIFICATION CONSTRAINTS BREAKING BOSONS QUARKS MODEL HERA
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.83.112006
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000291658800002
引用统计
被引频次:8[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/311005/213063
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Search for pair production of first or second generation leptoquarks in proton-proton collisions at root s=7 TeV using the ATLAS detector at the LHC[J]. PHYSICAL REVIEW D,2011,83(11).
APA ATLAS collaboration.(2011).Search for pair production of first or second generation leptoquarks in proton-proton collisions at root s=7 TeV using the ATLAS detector at the LHC.PHYSICAL REVIEW D,83(11).
MLA ATLAS collaboration."Search for pair production of first or second generation leptoquarks in proton-proton collisions at root s=7 TeV using the ATLAS detector at the LHC".PHYSICAL REVIEW D 83.11(2011).
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