Neutrino mass and the integrated neutrino spectra of SN1987A

Details Neutrino mass and the integrated neutrino spectra of SN1987A Neutrino mass and the integrated neutrino spectra of SN1987A

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988hepnp..11..854h&link_type=abstract

(High Energy Physics and Nuclear Physics, vol. 11, Nov. 1987, p. 854, 855) Chinese Physics (ISSN 0273-429X), vol. 8, Oct.-Dec. 1

Physics

Nuclear Physics

Energy Spectra, Neutrinos, Particle Energy, Particle Mass, Supernova 1987A, Exponential Functions, Radiation Counters, Stellar Mass

Scientific paper

An integrated neutrino spectrum is deduced from neutrino burst data of SN1987A. It is found that the spectrum can be fitted by an exponential function with kT around 4.2 MeV, corresponding to a primordial mass of the supernova greater than 10 solar mass. If neutrinos have nonzero rest mass, the time order of neutrino emission will be quite different. From this it is possible to reach the preliminary conclusion that the electron neutrino mass is less than 10 meV.

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