Radiative Model of Neutrino Mass with Neutrino Interacting MeV Dark Matter
Abstract
We consider the radiative generation of neutrino mass through the interactions of neutrinos with MeV dark matter. We construct a realistic renormalizable model with one scalar doublet and one complex singlet together with three light singlet Majorana fermions, all transforming under a dark U(1) symmetry which breaks softly to Z2. We study in detail the scalar sector which supports this specific scenario and its rich phenomenology.
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