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Compact Muon Solenoid
LHC, CERN

CMS-PAS-B2G-12-010
Search for narrow t + b resonances in the leptonic final state at sqrt(s) = 8 TeV
Abstract: We present a search for the production of a heavy gauge boson W decaying into a top quark and a bottom quark using a dataset collected during 2012 by the CMS experiment at s=8 TeV, corresponding to an integrated luminosity of 19.6 fb1. We study different models of W boson production in the W to tb decay mode, investigating an arbitrary combination of left- and right-handed couplings. The analysis is based on events with the final state signature lepton (e,μ) plus jets and missing transverse energy. We find no evidence for W boson production and set 95\% C.L. upper limits on the production cross-section. For W bosons with purely right-handed couplings, and for those with left-handed couplings when ignoring interference with the Standard Model, the observed (expected) 95\% C.L. limit is MW> 2.03(2.09) TeV.
CMS Publications
Compact Muon Solenoid
LHC, CERN