|DATE||June 14 (Thu), 2018|
|HOST||Chun, Eung Jin|
|TITLE||When dark matter freeze-out precedes its freeze-in: some dark matter scenarios with radiative neutrino mass|
This talk discusses some scenarios where dark matter relic abundance can be generated from a hybrid of thermal as well as non-thermal contributions. Such a setup naturally arises in popular radiative seesaw models and revives the dark matter parameter space where its relic is under-abundant if only thermal freeze-out is considered. A late decay of a mother particle can fill this deficit of dark matter relic trough a non-thermal contribution (freeze-in). Due to the coupled Boltzmann equations for dark matter and mother particles, it simultaneously constrains their parameter space leading to several observational consequences at direct/indirect dark matter experiments as well as the LHC.