Realistic Sterile Neutrino Dark Matter with keV Mass does not Contradict Cosmological Bounds
Realistic Sterile Neutrino Dark Matter with keV Mass does not Contradict Cosmological Bounds
Previous fits of sterile neutrino dark matter (DM) models to cosmological data ruled out masses smaller than approximately 8 keV, assuming a production mechanism that is not the best motivated from a particle physics point of view. Here we focus on a realistic extension of the standard model with three …