Limits on the radiative decay of neutrinos

Details Limits on the radiative decay of neutrinos Limits on the radiative decay of neutrinos

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977phrvl..39..784c&link_type=abstract

Physical Review Letters, vol. 39, Sept. 26, 1977, p. 784-787.

Astronomy and Astrophysics

Astronomy

52

Astronomical Photometry, Decay, Neutrinos, Radiative Lifetime, Big Bang Cosmology, Cosmic Rays, Gamma Rays, Particle Accelerators, Planetary Nebulae, Radiant Flux Density, Solar Neutrinos, Supernovae, White Dwarf Stars

Scientific paper

The limits that can be placed on the radiative instability of neutrinos from various kinds of observations are discussed. It is assumed that a neutrino decays solely via the channel where the decay products are a photon and any particle with a mass smaller than the neutrino rest mass. The limits are derived by considering neutrino production in particle accelerators, earth's atmosphere (by cosmic-ray interactions), the sun, white dwarfs, central stars of planetary nebulae, and the big bang. The results obtained, expressed in terms of the quotient of the neutrino lifetime for radiative decay divided by the neutrino rest mass, indicate that the rate for the assumed decay channel is either negligible or an extremely small fraction of the total neutrino decay rate.

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