Lepton Flavor Violation in the Inert Scalar Model with Higher Representations

Abstract

We investigate the lepton flavor violation (LFV) in the inert scalar model with higher representations. We generalize the inert doublet model with right handed neutrino by using higher scalar and fermion representation of $SU(2{)}_L$. As the generalized model and the inert doublet model have the same parameter space, we compare the rates of $\mu \to e\gamma$, $\mu \to ee\overline{e}$ and $\mu -e$ conversion in nuclei in the doublet and its immediate extension, the quartet model. We show that the corresponding rates are larger in the case of higher representation compared to the Inert doublet for the same region of parameter space. This implies that such extended models are more constrained by current LFV bounds and will have better prospects in future experiments.

section 4 is improved by including the discussion on the Sommerfeld enhancement. Version published in JHEP

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Cited by in corpus (6)

• From the trees to the forest: a review of radiative neutrino mass models
• A Radiative Model for the Weak Scale and Neutrino Mass via Dark Matter
• Generalizing the Scotogenic model
• Lepton Flavor Violation in the singlet-triplet scotogenic model
• The Sommerfeld Enhancement in the Scotogenic Model with Large Electroweak Scalar Multiplets
• Large scalar multiplet dark matter in the high-mass region