Search for physics beyond the standard model in opposite-sign dilepton events in pp collisions at root s=7 TeV

NCU Institutional Repository > 理學院 > 物理學系 > 期刊論文 > Item 987654321/53016

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题名:	Search for physics beyond the standard model in opposite-sign dilepton events in pp collisions at root s=7 TeV
作者:	Chatrchyan,S;Khachatryan,V;Sirunyan,AM;Tumasyan,A;Adam,W;Bergauer,T;Dragicevic,M;Ero,J;Fabjan,C;Friedl,M;Fruhwirth,R;...etc.
贡献者:	物理學系
关键词:	SUPERSYMMETRY;FB(-1)
日期:	2011
上传时间:	2012-06-11 10:53:58 (UTC+8)
出版者:	國立中央大學
摘要:	A search is presented for physics beyond the standard model (SM) in final states with opposite-sign isolated lepton pairs accompanied by hadronic jets and missing transverse energy. The search is performed using LHC data recorded with the CMS detector, corresponding to an integrated luminosity of 34 pb(-1). No evidence for an event yield beyond SM expectations is found. An upper limit on the non-SM contribution to the signal region is deduced from the results. This limit is interpreted in the context of the constrained minimal supersymmetric model. Additional information is provided to allow testing the exclusion of specific models of physics beyond the SM.
關聯:	JOURNAL OF HIGH ENERGY PHYSICS
显示于类别:	[物理學系] 期刊論文

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