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Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV
ATLAS collaboration
2013
发表期刊PHYSICS LETTERS B
卷号720期号:4--5页码:277-308
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A search for long-lived particles is performed using a data sample of 4.7 fb(-1) from proton-proton collisions at a centre-of-mass energy. root s = 7 TeV collected by the ATLAS detector at the LHC. No excess is observed above the estimated background and lower limits, at 95% confidence level, are set on the mass of the long-lived particles in different scenarios, based on their possible interactions in the inner detector, the calorimeters and the muon spectrometer. Long-lived staus in gauge-mediated SUSY-breaking models are excluded up to a mass of 300 GeV for tan beta = 5-20. Directly produced long-lived sleptons are excluded up to a mass of 278 GeV. R-hadrons, composites of gluino (stop, sbottom) and light quarks, are excluded up to a mass of 985 GeV (683 GeV, 612 GeV) when using a generic interaction model. Additionally two sets of limits on R-hadrons are obtained that are less sensitive to the interaction model for R-hadrons. One set of limits is obtained using only the inner detector and calorimeter observables, and a second set of limits is obtained based on the inner detector alone. (c) 2013 CERN. Published by Elsevier B.V. All rights reserved.
关键词DYNAMICAL SUPERSYMMETRY BREAKING STABLE CHARGED-PARTICLES SUPERGAUGE TRANSFORMATIONS E(+)E(-) ANNIHILATION MODEL EXTENSION COLLIDERS SQUARK PIONS LHC
学科领域Physics
DOI10.1016/j.physletb.2013.02.015
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000317151500002
引用统计
被引频次:32[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/311005/213501
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. Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV[J]. PHYSICS LETTERS B,2013,720(4--5):277-308.
APA ATLAS collaboration.(2013).Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV.PHYSICS LETTERS B,720(4--5),277-308.
MLA ATLAS collaboration."Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV".PHYSICS LETTERS B 720.4--5(2013):277-308.
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