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Compact Muon Solenoid
LHC, CERN

CMS-PAS-B2G-12-020
Search for a vector-like bottom quark partner in same sign di-lepton final states
Abstract: The results of a search for pair-produced vector-like quarks with charge 13 are presented. The analysis was performed using a dataset of pp collisions at s=8 TeVcollected with the CMS detector and corresponding to an integrated luminosity of 19.6 fb1. Events with a same-sign lepton pair and hadronic activity are selected and no excess above expected Standard Model backgrounds is observed. The results are used to set limits on the mass of the b quark as a function of its branching ratio to tW, bZ and bH. The data excludes a b quark with mass less than 800 GeV if the decay is to a top and W exclusively.
CMS Publications
Compact Muon Solenoid
LHC, CERN