Heavy sterile neutrinos - what they can be and what they can't

Abstract

We review current astrophysical bounds on MeV sterile neutrinos, and then we discuss why a sterile keV neutrino is a natural warm dark matter candidate.

4 pages, 2 figures, talk given at Frontiers in Particle Astrophysics and Cosmology held at San Feliu

References in corpus (3)

• Substructure and halo density profiles in a Warm Dark Matter Cosmology
• Heavy sterile neutrinos: Bounds from big-bang nucleosynthesis and SN 1987A
• Cosmological and astrophysical bounds on a heavy sterile neutrino and the KARMEN anomaly

Cited by in corpus (1)

• Do We Need Stars to Reionize the Universe at High Redshifts? Early Reionization by Decaying Heavy Sterile Neutrinos