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The H -> gamma gamma in Multi-Higgs doublet models
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classification
hep-ph
keywords
gammahiggsmodelsaboveabsentbosonbranchingcase
abstract
We study the dominant decays of the lightest Higgs boson in models with 2 and 3 Higgs doublets, for the case when its couplings to fermions are absent at tree-level. It is found that the branching ratio for the decay $H\to \gamma\gamma$ is above the one into fermion pairs, which is evaluated also at the 1-loop level.
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