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Inclusive Search for Supersymmetry Using Razor Variables in pp Collisions at root s=7 TeV
CMS Collaboration
2013
发表期刊PHYSICAL REVIEW LETTERS
卷号111期号:8
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要An inclusive search is presented for new heavy particle pairs produced in root s = 7 TeV proton-proton collisions at the LHC using 4.7 +/- 0.1 fb(-1) of integrated luminosity. The selected events are analyzed in the 2D razor space of M-R, an event-by-event indicator of the heavy particle mass scale, and R, a dimensionless variable related to the missing transverse energy. The third-generation sector is probed using the event heavy-flavor content. The search is sensitive to generic supersymmetry models with minimal assumptions about the superpartner decay chains. No excess is observed in the number of events beyond that predicted by the standard model. Exclusion limits are derived in the CMSSM framework as well as for simplified models. Within the CMSSM parameter space considered, gluino masses up to 800 GeV and squark masses up to 1.35 TeV are excluded at 95% confidence level depending on the model parameters. The direct production of pairs of top or bottom squarks is excluded for masses as high as 400 GeV.
关键词MISSING TRANSVERSE-MOMENTUM DETECTOR ATLAS COLLABORATION PROTON-PROTON COLLISIONS JETS EVENTS EXTENSION NEUTRINO SQUARKS GLUINOS PROGRAM
学科领域Physics
DOI10.1103/PhysRevLett.111.081802
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000323574600002
引用统计
被引频次:53[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/311005/213588
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. Inclusive Search for Supersymmetry Using Razor Variables in pp Collisions at root s=7 TeV[J]. PHYSICAL REVIEW LETTERS,2013,111(8).
APA CMS Collaboration.(2013).Inclusive Search for Supersymmetry Using Razor Variables in pp Collisions at root s=7 TeV.PHYSICAL REVIEW LETTERS,111(8).
MLA CMS Collaboration."Inclusive Search for Supersymmetry Using Razor Variables in pp Collisions at root s=7 TeV".PHYSICAL REVIEW LETTERS 111.8(2013).
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