Neutrino masses and lifetimes from supernova observations

Details Neutrino masses and lifetimes from supernova observations Neutrino masses and lifetimes from supernova observations

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvd..40.3666s&link_type=abstract

Physical Review D (Particles and Fields), Volume 40, Issue 11, 1 December 1989, pp.3666-3669

Mathematics

Logic

22

Scientific paper

Observations of the arrival times and energies of neutrinos from a supernova can provide information on the masses and lifetimes of νμ and ντ for masses above 100 eV. Cosmological arguments suggest that for masses above 10 keV the neutrinos from a supernova at 10 kpc should decay before reaching Earth. If this is true the maximum median time delay for any mass is less than a day and so all masses up to 1 MeV can be detected if the lifetime is not too short. Time and energy distributions are presented.

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