Radiative corrections to Higgs couplings with weak gauge bosons in custodial multi-Higgs models

Cheng-Wei Chiang, An-Li Kuo, Kei Yagyu

We calculate 1-loop radiative corrections to the $hZZ$ and $hWW$ couplings in models with next--to--simplest Higgs sectors satisfying the electroweak $\rho$ parameter equal to 1 at tr…