The harmonic structure of the February 23.316 neutrino burst from the supernova 1987A

Details The harmonic structure of the February 23.316 neutrino burst from the supernova 1987A The harmonic structure of the February 23.316 neutrino burst from the supernova 1987A

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...180l..23o&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 180, no. 1-2, June 1987, p. L23-L25.

Astronomy and Astrophysics

Astrophysics

7

Harmonic Analysis, Neutrinos, Supernova 1987A, Computerized Simulation, Fourier Analysis, Harmonic Oscillation, Time Dependence

Scientific paper

The February 23.316 neutrino burst from SN 1987A is examined for its harmonic content around 4 - 6 Hz, a frequency range suggested by the concentration of the time separation between the events of the KAMIOKANDE-II detector to values around 200 ms. The statistical significance of the apparent signal at 4.94 Hz is evaluated with computer simulation and is found to be about 3σ. The IMB detector data for the same neutrino burst does not show any exceptional signal at the suspected frequency.

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