Abstract
Scotogenic models are among the most elegant and economic solutions that provide an explanation for two of the main open questions in particle physics: neutrino masses and dark matter (DM). In this work, after a brief discussion of the model, we present a phenomenological study of the DM candidate in a variant of the Scotogenic model. While in the original Scotogenic scenario the DM candidate can be fermionic or bosonic, only the latter is viable in this version. The presence of new charged states might reveal new regions in the parameter space compatible with current observations.
Highlights
Among other open questions, the Standard Model (SM) of particle physics is not able to explain the origin of neutrino masses and the nature of dark matter (DM)
We have performed a scan of ∼ 11 000 points in different regions of the parameter space, all of them considering ηR as DM candidate
We have studied in detail the DM phenomenology of a variant of the Scotogenic model, which has additional charged states, including a scalar doublet with Y = 3/2
Summary
1. Introduction Among other open questions, the Standard Model (SM) of particle physics is not able to explain the origin of neutrino masses and the nature of DM. The Z2 protects neutrinos from obtaining a mass at tree-level. Neutrino masses are radiatively generated (at one-loop).
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