Simplest Scoto-Seesaw Mechanism

Abstract

By combining the simplest (3,1) version of the seesaw mechanism containing a single heavy "right-handed" neutrino with the minimal scotogenic approach to dark matter, we propose a theory for neutrino oscillations. The "atmospheric" mass scale arises at tree level from the seesaw, while the "solar" oscillation scale emerges radiatively, through a loop involving the "dark sector" exchange. Such simple setup gives a clear interpretation of the neutrino oscillation lengths, has a viable WIMP dark matter candidate, and implies a lower bound on the neutrinoless double beta decay rate.

arXiv comment7 pages, 2 figures. Final Version

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• Cutting the Scotogenic loop: Adding flavor to Dark Matter
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• Fermion mass hierarchy and g-2 anomalies in an extended 3HDM Model
• Charged lepton flavor violating processes in the Grimus-Neufeld model
• Electroweak symmetry breaking in the inverse seesaw mechanism
• A modular $A_4$ symmetric Scotogenic model for Neutrino mass and Dark Matter
• Dark matter as the source of neutrino mass: theory overview and experimental prospects
• Radiatively scotogenic type-II seesaw and a relevant phenomenological analysis
• Scotoseesaw model implied by dark right-handed neutrinos
• Large lepton number violation at colliders: predictions from the minimal linear seesaw mechanism
• Dirac Scoto Inverse-Seesaw from $A_4$ Flavor Symmetry
• One-loop Type II Seesaw Neutrino Model with Stable Dark Matter Candidates
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• Flavor Imprints on Novel Low Mass Dark Matter
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• Theory and phenomenology of Dirac neutrinos
• Aligned Zee-Grimus-Neufeld model for $(g-2{)}_{\mu }$