Speaker
Mr
Erik Schumacher
(TU Dortmund)
Description
Lepton flavor violating Higgs decays can arise in flavor symmetry
models where the Higgs sector is responsible for both the electroweak and
the flavor symmetry breaking. Here we advocate an $S_4$
three-Higgs-doublet model where tightly constrained flavor changing neutral
currents are suppressed by a remnant $Z_3$ symmetry. A small breaking of
this $Z_3$ symmetry can explain the $2.4\,\sigma$ excess of Higgs decay
final states with a $\mu \tau $ topology reported recently by CMS if the new neutral scalars are light.
The model also predicts
sizable rates for lepton flavor violating Higgs decays in the $e\tau $ and $%
e\mu $ channels because of the unifying $S_4$ flavor symmetry.
Primary author
Mr
Erik Schumacher
(TU Dortmund)
Co-authors
Mr
Antonio Carcamo
(UTFSM Valparaíso, Chile)
Prof.
Heinrich Päs
(TU Dortmund)
Mr
Miguel Campos
(MPIK Heidelberg)