Simple particle-physics model for the reheating of the universe

Details Simple particle-physics model for the reheating of the universe Simple particle-physics model for the reheating of the universe

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvl..63..585f&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 63, Aug. 7, 1989, p. 585-588.

Astronomy and Astrophysics

Astrophysics

3

Astronomical Models, Cosmology, Heating, Neutrinos, Nuclear Astrophysics, Relic Radiation, Anisotropy, Compton Effect, Particle Mass, Universe, Weak Interactions (Field Theory)

Scientific paper

The unstable-neutrino explanation for the reheating of the universe, which accounts for the cosmic-background-radiation distortion, requires nonelectromagnetic fast decay of neutrinos and a small branching ratio to the channel including electromagnetically interacting particles. It is shown that there exists a simple particle-physics model which satisfies the conditions required for the reheating within the known family of particles (except for a massive neutrino).

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