A model with a viable dark matter candidate and massive neutrinos

0103 physical sciences Physics beyond Standard Model Dark Matter Neutrino Physics 01 natural sciences
DOI: 10.1016/j.nuclphysbps.2015.10.132 Publication Date: 2015-12-08T14:57:50Z
ABSTRACT
AbstractBy extending the SM with two scalar singlets, a vector-like fermion doublet and a fermion singlet, all odd under a Z2 symmetry, it is possible to explain the correct dark matter relic density and also fulfill the main constraints for neutrino physics. In this work, we only consider the case of fermionic dark matter. We study the parameter space, first of all taking into account the relic density constraint, which gives us a set of parameters that can be used as inputs for the Casas-Ibarra parametrization in order to get the remaining parameters that also match neutrino physics. We also analyze possible constraints from lepton flavor violation processes such as μ→eγ.
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