A search for a charged Higgs boson (H +) in tt decays is presented, where one of the top quarks decays via t →H + b, followed by H + → two jets (cs). 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 branching ratio of top quarks to charged Higgs bosons varying between 5 % and 1 % for H + masses between 90 GeV and 150 GeV, assuming B(H + →cs) = 100 %.
CITATION STYLE
Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Abdelalim, A. A., … Zwalinski, L. (2013). Search for a light charged Higgs boson in the decay channel H +→cs in tt events using pp collisions at √s =7 TeV with the ATLAS detector. European Physical Journal C, 73(6). https://doi.org/10.1140/epjc/s10052-013-2465-z
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