The Higgs decay rate to two photons in a model with two fermiophobic-Higgs doublets
Abstract
We consider a three Higgs doublet model with an S3 symmetry in which beside the SM-like doublet there are two fermiophobic doublets. Due to the new charged scalars there is an enhancement in the two-photon decay while the other channels have the same decay widths that the SM neutral Higgs. The fermiophobic scalars are mass degenerated unless soft terms breaking the S3 symmetry are added.
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