Speaker
Nuria Rius
(IFIC, CSIC-Univ Valencia)
Description
We analyze a simple extension of the Standard Model (SM)
with a dark sector composed of a scalar and a fermion, both singlets under the SM
gauge group but charged under a dark sector symmetry group, ${\rm G_{DM}}$.
The lightest of them is stable.
Sterile neutrinos, which are singlets under both groups, mediate
the interactions between the dark sector and the SM particles,
and generate masses for the active neutrinos via the seesaw mechanism.
We explore the parameter space region where the
observed dark matter relic abundance is determined
by the annihilation into sterile neutrinos, both for fermion and scalar dark matter particles.
We also study the constraints from direct dark matter searches and the
prospects for indirect detection.
Primary author
Nuria Rius
(IFIC, CSIC-Univ Valencia)
Co-authors
Mr.
Miguel Escudero
(UV)
Prof.
Verónica Sanz
(Department of Physics and Astronomy, University of Sussex, Brighton BN1 9QH, UK)
