The interpretation of rare events recorded by KAMIOKANDE II and IMB detectors before the explosion of supernova SN 1987 A

Details The interpretation of rare events recorded by KAMIOKANDE II and IMB detectors before the explosion of supernova SN 1987 A The interpretation of rare events recorded by KAMIOKANDE II and IMB detectors before the explosion of supernova SN 1987 A

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15..785k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, Sept. 1989, p. 785-787. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Angular Distribution, Neutrinos, Supernova 1987A, Antineutrinos, Astronomical Models, Distribution Functions, Inelastic Scattering

Scientific paper

The angular distribution of neutrino events recorded by Kamiokande II and IMB detectors from supernova SN 1987 A is carried out. The Neyman-Pearson test is applied to each of the events to test the hypothesis that an electron antineutrino interacts with a proton to produce a positron and a neutron. The confidence level of this hypothesis for this type of inelastic scattering against possible alternatives is found to be 2 and 0.9 percent using the Kolmogorov and Mises tests, respectively.

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