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Inclusive search for squarks and gluinos in pp collisions at root s=7 TeV
CMS Collaboration
2012
发表期刊PHYSICAL REVIEW D
卷号85期号:1
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search is performed for heavy particle pairs produced in root s = 7 TeV proton-proton collisions with 35 pb(-1) of data collected by the CMS experiment at the LHC. The search is sensitive to squarks and gluinos of generic supersymmetry models, provided they are kinematically accessible, with minimal assumptions on properties of the lightest superpartner particle. The kinematic consistency of the selected events is tested against the hypothesis of heavy particle pair production using the dimensionless razor variable R, related to the missing transverse energy E-T(miss). The new physics signal is characterized by a broad peak in the distribution of M-R, an event-by-event indicator of the heavy particle mass scale. This new approach is complementary to E-T(miss)-based searches. After background modeling based on data, and background rejection based on R and M-R, no significant excess of events is found beyond the standard model expectations. The results are interpreted in the context of the constrained minimal supersymmetric standard model as well as two simplified supersymmetry models.
关键词MISSING TRANSVERSE-MOMENTUM PROTON-PROTON COLLISIONS ATLAS DETECTOR SUPERSYMMETRY EXTENSION NEUTRINO PROGRAM EVENTS JETS
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.85.012004
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000298989300002
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被引频次:52[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/311005/213163
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 squarks and gluinos in pp collisions at root s=7 TeV[J]. PHYSICAL REVIEW D,2012,85(1).
APA CMS Collaboration.(2012).Inclusive search for squarks and gluinos in pp collisions at root s=7 TeV.PHYSICAL REVIEW D,85(1).
MLA CMS Collaboration."Inclusive search for squarks and gluinos in pp collisions at root s=7 TeV".PHYSICAL REVIEW D 85.1(2012).
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