Search for supersymmetry in events with b jets and missing transverse momentum at the LHC

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/53019

Title:	Search for supersymmetry in events with b jets and missing transverse momentum at the LHC
Authors:	Chatrchyan,S;Khachatryan,V;Sirunyan,AM;Tumasyan,A;Adam,W;Bergauer,T;Dragicevic,M;Ero,J;Fabjan,C;Friedl,M;Fruhwirth,R;...etc.
Contributors:	物理學系
Keywords:	PHYSICS
Date:	2011
Issue Date:	2012-06-11 10:54:03 (UTC+8)
Publisher:	國立中央大學
Abstract:	A search for supersymmetry is presented using a sample of events with b jets and missing transverse momentum. The search uses a data sample of proton-proton collisions at a centre-of-mass energy of 7TeV, corresponding to an integrated luminosity of 35 pb(-1), collected with the CMS detector. A total of 0.33(-0.33)(+0.43) (stat.) +/- 0.13 (syst.) events is predicted, using control samples in the data, to arise from standard model processes, and one event is observed in the data. Upper limits are set at the 95% confidence level on the cross sections of benchmark supersymmetric models.
Relation:	JOURNAL OF HIGH ENERGY PHYSICS
Appears in Collections:	[Department of Physics] journal & Dissertation

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