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

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

2000-08-14

arxiv.org/abs/hep-ph/0008138v2

Nucl.Phys. B590 (2000) 562-574

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 5 figures, 1 table. Some references added

Scientific paper

10.1016/S0550-3213(00)00566-6

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.

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