Correlation mass method for analysis of neutrinos from supernova 1987A

Details Correlation mass method for analysis of neutrinos from supernova 1987A Correlation mass method for analysis of neutrinos from supernova 1987A

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...329..326c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 329, June 1, 1988, p. 326-334.

Statistics

Computation

3

Neutrinos, Particle Mass, Supernova 1987A, Computational Astrophysics, Monte Carlo Method, Stellar Radiation

Scientific paper

The authors describe a time-energy correlation method to bring forth the signature of a nonzero neutrino mass from a very small sample of observed neutrinos emitted from a distant source. They applied this method to the Kamiokande II (KII) observation of neutrinos apparently emitted from supernova 1987A in the Large Magellanic Cloud and obtained a neutrino rest mass of 3.6 eV. A further analysis, using Monte Carlo simulations that allow the energy of each event in the KII data set to vary with a Gaussian distribution with experimentally quoted mean and deviation, yields a reconfirming probability distribution for the neutrino rest mass peaked at 2.8, dropping to 50% of the peak at 1.4 and 4.8 eV.

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