Revisiting the scotogenic model with scalar dark matter
arXiv:2108.05103 · doi:10.1088/1361-6471/ac5fb4
Abstract
The scotogenic model is a well motivated scenario that provides both an explanation for neutrino masses and for dark matter. We focus on a real scalar dark matter candidate in this model, produced through standard thermal freeze-out. We analyze the parameter space of the model compatible with the observed dark matter relic abundance, direct and indirect detection searches, limits from lepton flavour violating decays and constraints from the neutrino sector. As the mass differences of the dark matter with the neutral and charged states are found to be small, the new scalars and fermions of the theory will have macroscopic lifetimes, and could thus be potentially detected with long-lived particle signatures at colliders. We find regions in the parameter space to be - partially or fully - consistent with the dark matter relic abundance, and the prediction of a long-lived charged scalar or lightest neutral fermion in the scotogenic scenario, for dark matter masses below 500 GeV. We discuss on the collider phenomenology in some detail.
10 pages, 8 figures, 4 tables. Updates in v3: minor updates. Version accepted por publication in Journal of Physics G: Nuclear and Particle Physics
References in corpus (8)
- The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
- An Introduction to PYTHIA 8.2
- micrOMEGAs4.1: two dark matter candidates
- Search for dark matter annihilations towards the inner Galactic halo from 10 years of observations with H.E.S.S
- Evolution of Universe to the present inert phase
- Probing the scotogenic FIMP at the LHC
- A New Viable Region of Inert Higgs Doublet Dark Matter Model with Scotogenic Extension
- Dark matter stability from Dirac neutrinos in scotogenic 3-3-1-1 theory