Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981neu1.conf..124s&link_type=abstract
Neutrino 81, Volume 1, Proceedings of the 11th International Conference on Neutrino Physics and Astrophysics, held 1-8 July, 198
Astronomy and Astrophysics
Astrophysics
Astrophysics, Neutrinos, Nuclear Energy, Particle Theory, Radiative Lifetime, Background Radiation, Cosmology, Half Life, Photons
Scientific paper
The radiative lifetime tau for the decay of massious neutrinos is calculated using various physical models for neutrino decay. The results are related to the astrophysical problem of the detectability of the decay photons from cosmic neutrinos. Conversely, the astrophysical data are used to place lower limits on tau. However, an observed feature at approximately 1700 A in the ultraviolet background radiation at high galactic latitudes may be from the decay of neutrinos with mass approximately 14 eV. This would require a decay rate much larger than the predictions of standard models but could be indicative of a decay rate possible in composite models. It is considered that this may be an important test for substructure in leptons and quarks.
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