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Search for a light charged Higgs boson in the decay channel H+ -> c(s)over-bar in t(t)over-bar events using pp collisions at root s=7 TeV with the ATLAS detector


A search for a charged Higgs boson (H +) in tt̄ decays is presented, where one of the top quarks decays via t→H + b, followed by H +→ two jets (cs̄). The other top quark decays to Wb, where the W boson then decays into a lepton (e/μ) and a neutrino. The data were recorded in pp collisions at √s = 7 TeV by the ATLAS detector at the LHC in 2011, and correspond to an integrated luminosity of 4.7 fb-1. With no observation of a signal, 95 % confidence level (CL) upper limits are set on the decay b...

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Abajyan, T More by this author
Abdallah, J More by this author
Khalek, SA More by this author
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