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Search for first generation scalar leptoquarks in pp collisions at root s=7 TeV with the ATLAS detector
ATLAS collaboration
2012
发表期刊PHYSICS LETTERS B
卷号709期号:3页码:158-176
通讯作者Arik, E (reprint author), Bogazici Univ, Dept Phys, Istanbul, Turkey.
摘要We report a search for first generation scalar leptoquarks using 1.03 fb(-1) of proton-proton collisions data produced by the Large Hadron Collider at root s = 7 TeV and recorded by the ATLAS experiment. Leptoquarks are sought via their decay into an electron or neutrino and a quark, producing events with two oppositely charged electrons and at least two jets, or events with an electron, missing transverse momentum and at least two jets. Control data samples are used to validate background predictions from Monte Carlo simulation. In the signal region, the observed event yields are consistent with the background expectations. We exclude at 95% confidence level the production of first generation scalar leptoquark with masses m(LQ) < 660 (607) GeV when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5). (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
关键词SU(15) GRAND UNIFICATION MODELS HERA
学科领域Physics
DOI10.1016/j.physletb.2012.02.004
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000301758800008
引用统计
被引频次:41[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/311005/213199
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 first generation scalar leptoquarks in pp collisions at root s=7 TeV with the ATLAS detector[J]. PHYSICS LETTERS B,2012,709(3):158-176.
APA ATLAS collaboration.(2012).Search for first generation scalar leptoquarks in pp collisions at root s=7 TeV with the ATLAS detector.PHYSICS LETTERS B,709(3),158-176.
MLA ATLAS collaboration."Search for first generation scalar leptoquarks in pp collisions at root s=7 TeV with the ATLAS detector".PHYSICS LETTERS B 709.3(2012):158-176.
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