A note on the rare decay of a Higgs boson into photons and a $Z$ boson

Ali Abbasabadi, Wayne W. Repko

We have calculated the width of the rare decay $H\to \gamma \gamma Z$ at one-loop level in the standard model for Higgs boson masses in the range $115\mathrm{GeV}\le m_H\le 160\mathrm{GeV}$ . F…