Search for a heavy gauge boson W ' in the final state with an electron and large missing transverse energy in pp collisions at root s=7 TeV

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/53007

Title:	Search for a heavy gauge boson W ' in the final state with an electron and large missing transverse energy in pp collisions at root s=7 TeV
Authors:	Khachatryan,V;Sirunyan,AM;Tumasyan,A;Adam,W;Bergauer,T;Dragicevic,M;Ero,J;Fabjan,C;Friedl,M;Fruhwirth,R;Ghete,VM;...etc.
Contributors:	物理學系
Keywords:	VIOLATION;SYMMETRY
Date:	2011
Issue Date:	2012-06-11 10:53:41 (UTC+8)
Publisher:	國立中央大學
Abstract:	A search for a heavy gauge boson W' has been conducted by the CMS experiment at the LHC in the decay channel with an electron and large transverse energy imbalance E(T)(miss), using proton-proton collision data corresponding to an integrated luminosity of 36 pb(-1). No excess above standard model expectations is seen in the transverse mass distribution of the electron-E(T)(miss) system. Assuming standard-model-like couplings and decay branching fractions, a W' boson with a mass less than 1.36 TeV/c(2) is excluded at 95% confidence level. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
Relation:	PHYSICS LETTERS B
Appears in Collections:	[Department of Physics] journal & Dissertation

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