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Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at root s=7 TeV
CMS Collaboration
2013
发表期刊PHYSICS LETTERS B
卷号719期号:1--3页码:42-61
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Many models of new physics, including versions of supersymmetry (SUSY), predict production of events with low missing transverse energy, electroweak gauge bosons, and many energetic final-state particles. The stealth SUSY model yields this signature while conserving R-parity by means of a new hidden sector in which SUSY is approximately conserved. The results of a general search for new physics, with no requirement on missing transverse energy, in events with two photons and four or more hadronic jets are reported. The study is based on a sample of proton-proton collisions at root s = 7 TeV corresponding to 4.96 fb(-1) of integrated luminosity collected with the CMS detector in 2011. Based on good agreement between the data and the standard model expectation, the data are used to determine model-independent cross-section limits and a limit on the squark mass in the framework of stealth SUSY. With this first study of its kind, squark masses less than 1430 GeV are excluded at the 95% confidence level. (c) 2012 CERN. Published by Elsevier B.V. All rights reserved.
关键词BREAKING SQUARK
学科领域Physics
DOI10.1016/j.physletb.2012.12.055
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000315065600007
引用统计
被引频次:19[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/311005/213461
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 supersymmetry in events with photons and low missing transverse energy in pp collisions at root s=7 TeV[J]. PHYSICS LETTERS B,2013,719(1--3):42-61.
APA CMS Collaboration.(2013).Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at root s=7 TeV.PHYSICS LETTERS B,719(1--3),42-61.
MLA CMS Collaboration."Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at root s=7 TeV".PHYSICS LETTERS B 719.1--3(2013):42-61.
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