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Search for diphoton events with large missing transverse momentum in 1 fb(-1) of 7 TeV proton-proton collision data with the ATLAS detector ATLAS Collaboration
ATLAS collaboration
2012
发表期刊PHYSICS LETTERS B
卷号710期号:4--5页码:519-537
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 diphoton events with large missing transverse momentum has been performed using 1.07 fb(-1) of proton-proton collision data at root s = 7 TeV recorded with the ATLAS detector. No excess of events was observed above the Standard Model prediction and 95% Confidence Level (CL) upper limits are set on the production cross section for new physics. The limits depend on each model parameter space and vary as follows: sigma < (22-129) fb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, sigma < (27-91) fb in the context of a minimal model of gauge-mediated supersymmetry breaking (SPS8), and sigma < (15-27) fb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 805 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass. Lower limits of 145 TeV and 1.23 TeV are set on the SPS8 breaking scale Lambda and on the UED compactification scale 1/R, respectively. These limits provide the most stringent tests of these models to date. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
关键词UNIVERSAL EXTRA DIMENSIONS HADRON COLLIDERS FORTRAN CODE SUPERSYMMETRY PHENOMENOLOGY GENERATORS EXTENSION PARTICLE MODEL MSSM
学科领域Physics
DOI10.1016/j.physletb.2012.02.054
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000303221800005
引用统计
被引频次:21[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/311005/213222
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 diphoton events with large missing transverse momentum in 1 fb(-1) of 7 TeV proton-proton collision data with the ATLAS detector ATLAS Collaboration[J]. PHYSICS LETTERS B,2012,710(4--5):519-537.
APA ATLAS collaboration.(2012).Search for diphoton events with large missing transverse momentum in 1 fb(-1) of 7 TeV proton-proton collision data with the ATLAS detector ATLAS Collaboration.PHYSICS LETTERS B,710(4--5),519-537.
MLA ATLAS collaboration."Search for diphoton events with large missing transverse momentum in 1 fb(-1) of 7 TeV proton-proton collision data with the ATLAS detector ATLAS Collaboration".PHYSICS LETTERS B 710.4--5(2012):519-537.
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