Abstract
Models of electroweak symmetry breaking with extended Higgs sectors are theoretically well motivated. In this study, we investigate the phenomenology of the new Yukawa couplings in generic two-Higgs-doublet models. We find that a heavy charged Higgs together with α,tanβ∼O(1), type-II and III could enhance the two-photon production cross section; however, with large tan β scenario, only type-III could match the LHC data. Additionally, we study the implications of LHC data on the production cross sections for the channel h→Zγ and branching ratio for t→ch decay.
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