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Dirac dark matter in a radiative neutrino model

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arxiv 2003.11396 v2 pith:ENJB3LXD submitted 2020-03-25 hep-ph

Dirac dark matter in a radiative neutrino model

classification hep-ph
keywords neutrinodarkmatterdiracmassmodelproposeradiative
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose a simple radiative neutrino mass scenario with a Dirac dark matter candidate, which is minimally realized by a Z3 symmetry. We introduce two Dirac neutrinos and two inert doublets. We demonstrate that the model has a large allowed region that satisfies the constraints from neutrino oscillation data, lepton flavor violations, direct/indirect detection of dark matter and dark matter relic density. We also propose an efficient parameterization of the neutrino Yukawa couplings, which reproduces a desired active neutrino mass matrix.

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