A Radiative Neutrino Mass Model with SIMP Dark Matter

Abstract

We propose the first viable radiative seesaw model, in which the neutrino masses are induced radiatively via the two-loop Feynman diagram involving Strongly Interacting Massive Particles (SIMP). The stability of SIMP dark matter (DM) is ensured by a ${\mathbb{Z}}_5$ discrete symmetry, through which the DM annihilation rate is dominated by the $3\to 2$ self-annihilating processes. The right amount of thermal relic abundance can be obtained with perturbative couplings in the resonant SIMP scenario, while the astrophysical bounds inferred from the Bullet cluster and spherical halo shapes can be satisfied. We show that SIMP DM is able to maintain kinetic equilibrium with thermal plasma until the freeze-out temperature via the Yukawa interactions associated with neutrino mass generation.

19 pages, 8 figures, 2 tables, expanded, new appendix added, new references added, updated plots, fixed minor typos, matches journal version

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Cited by in corpus (22)

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• Scalar singlet dark matter in non-standard cosmologies
• Phenomenology of Self-Interacting Dark Matter in a Matter-Dominated Universe
• The Dark Side of the Littlest Seesaw: freeze-in, the two right-handed neutrino portal and leptogenesis-friendly fimpzillas
• Glueball scattering cross section in lattice SU(2) Yang-Mills theory
• Interplay between neutrino and gravity portals for FIMP dark matter
• Minimal Seesaw extension for Neutrino Mass and Mixing, Leptogenesis and Dark Matter: FIMPzillas through the Right-Handed Neutrino Portal
• Scalar and Fermion Two-component SIMP Dark Matter with an Accidental ${\mathbb{Z}}_4^{}$ Symmetry
• Non-thermal production of Dark Matter after Inflation
• Hot Leptogenesis from Thermal Dark Matter
• A new mechanism of sterile neutrino dark matter production
• Dark Matter in the Type Ib Seesaw Model
• Enhanced n-body annihilation of dark matter and its indirect signatures
• An Asymmetric SIMP Dark Matter Model
• Dark side of the Seesaw
• Boosting Assisted Annihilation for a Cosmologically Safe MeV Scale Dark Matter
• $(g-2{)}_{e,\mu }$ and strongly interacting dark matter with collider implications
• Resonant Assisted Annihilation
• Axion Paradigm with Color-Mediated Neutrino Masses
• MeV scale model of SIMP dark matter, neutrino mass and leptogenesis
• Neutrino mass in flavor dependent gauged lepton model
• Strongly-interacting massive particle and dark photon in the era of intensity frontier