Skip to content

Heavy sterile neutrinos: Bounds from big-bang nucleosynthesis and SN 1987A

A. D. Dolgov, S. H. Hansen, G. Raffelt, D. V. Semikoz

hep-pharXiv:hep-ph/0008138

Abstract

Cosmological and astrophysical effects of heavy (10 - 200 MeV) sterile Dirac neutrinos, mixed with the active ones, are considered. The bounds on mass and mixing angle from both supernovae and big-bang nucleosynthesis are presented.

Create a lesson