Experimental limits on the radiative decay of SN 1987A neutrinos

Details Experimental limits on the radiative decay of SN 1987A neutrinos Experimental limits on the radiative decay of SN 1987A neutrinos

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvl..62..505c&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 62, Jan. 30, 1989, p. 505-508. Research supported by NASA and BMFT.

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38

Gamma Ray Spectrometers, Neutrinos, Radiative Lifetime, Solar Maximum Mission, Supernova 1987A, Data Bases, Magellanic Clouds, Monte Carlo Method

Scientific paper

SMM gamma-ray spectrometer data are examined to look for gamma-ray emission coincident with the about-10-s neutrino burst from SN 1987A. The absence of a detectable signal suggests that the energy radiated into MeV gamma rays by neutrino decay (or any other process) is less than 10 to the -10th of that in supernova neutrinos above 9 MeV. The results are used to set a direct limit on the lifetime of any massive neutrino type generated in the core collapse leading to SN 1987A.

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