Radiative neutrino decay and the unusual X-ray flux from Sn 1987A

Details Radiative neutrino decay and the unusual X-ray flux from Sn 1987A Radiative neutrino decay and the unusual X-ray flux from Sn 1987A

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phlb..203..462h&link_type=abstract

Physics Letters B, Volume 203, Issue 4, p. 462-468.

Physics

7

Scientific paper

The radiative neutrino decay in the mass and a lifetime range, mv=10-100 keV and τv=103-105 s, is often argued to be forbid by γ-ray data from past supernovas. We demonstrate that this argument is not always correct, and accordingly attempt to explain via radiative neutrino decay the unusual soft component of the X-ray spectrum from SN 1987A, observed by the satellite Ginga. Our fit to the data suggests that τv=(1-3)×104s.(mv/50 keV).

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