Z and Higgs boson decays with doubly-charged scalars at one-loop: current constraints, future sensitivities, and application to lepton-triality models

Gabriela Lichtenstein, Michael A. Schmidt, German Valencia +1

We analyse the $Z$ and Higgs boson decays $Z\to {\ell }^{+}{\ell }^{-}$ ($\ell =e,\mu ,\tau$), $H\to \gamma \gamma$ and $H\to Z\gamma$ that are induced at one-loop level in models with a doubly-charged isosin…