A three-loop radiative neutrino mass model with vectorlike leptons and scalar dark matter that fits oscillation data, dark matter constraints, and lepton flavor violation bounds while predicting testable signals.
Predictive Model for Radiatively Induced Neutrino Masses and Mixings with Dark Matter
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abstract
A minimal extension of the standard model to naturally generate small neutrino masses and provide a dark matter candidate is proposed. The dark matter particle is part of a new scalar doublet field that plays a crucial role in radiatively generating neutrino masses. The symmetry that stabilizes the dark matter also suppresses neutrino masses to appear first at three-loop level. Without the need of right-handed neutrinos or other very heavy new fields, this offers an attractive explanation of the hierarchy between the electroweak and neutrino mass scales. The model has distinct verifiable predictions for the neutrino masses, flavor mixing angles, colliders and dark matter signals.
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Singlet-doublet dark matter induces radiative neutrino masses at one loop while enabling TeV-scale leptogenesis in both Majorana and Dirac realizations.
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Radiative neutrino mass generation and dark matter through vectorlike leptons
A three-loop radiative neutrino mass model with vectorlike leptons and scalar dark matter that fits oscillation data, dark matter constraints, and lepton flavor violation bounds while predicting testable signals.
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Singlet-doublet dark matter induced radiative neutrino mass and TeV scale leptogenesis
Singlet-doublet dark matter induces radiative neutrino masses at one loop while enabling TeV-scale leptogenesis in both Majorana and Dirac realizations.