Astrophysical and cosmological constraints to neutrino properties

Details Astrophysical and cosmological constraints to neutrino properties Astrophysical and cosmological constraints to neutrino properties

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989stin...9010809k&link_type=abstract

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Astronomy and Astrophysics

Astrophysics

Astrophysics, Constraints, Cosmology, Neutrinos, Supernova 1987A, Flavor (Particle Physics), Magnetic Moments, Particle Mass, Radiative Lifetime, Radioactive Decay

Scientific paper

The astrophysical and cosmological constraints on neutrino properties (masses, lifetimes, numbers of flavors, etc.) are reviewed. The freeze out of neutrinos in the early Universe are discussed and then the cosmological limits on masses for stable neutrinos are derived. The freeze out argument coupled with observational limits is then used to constrain decaying neutrinos as well. The limits to neutrino properties which follow from SN1987A are then reviewed. The constraint from the big bang nucleosynthesis on the number of neutrino flavors is also considered. Astrophysical constraints on neutrino-mixing as well as future observations of relevance to neutrino physics are briefly discussed.

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