Right-handed Neutrino Dark Matter, Neutrino Masses, and non-Standard
  Cosmology in a 2HDM
  We explore the dark matter phenomenology of a weak-scale right-handed
neutrino in the context of a Two Higgs Doublet Model. The expected signal at
direct detection experiments is different from the usual spin-independent and
spin-dependent classification since the scattering with quarks depends on the
dark matter spin. The dark matter relic density is set by thermal freeze-out
and in the presence of non-standard cosmology, where an Abelian gauge symmetry
is key for the dark matter production mechanism. We show that such symmetry
allows us to simultaneously address neutrino masses and the flavor problem
present in general Two Higgs Doublet Model constructions. Lastly, we outline
the region of parameter space that obeys collider, perturbative unitarity and
direct detection constraints.
