Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983iraj...16...53o&link_type=abstract
Irish Astronomical Journal (ISSN 0021-1052), vol. 16, March 1983, p. 53-58.
Astronomy and Astrophysics
Astronomy
Bursts, Gravitational Collapse, Neutrinos, Stellar Radiation, Radiation Counters, Shock Wave Propagation
Scientific paper
Theoretical models of neutrino-burst release from collapsing stars are reviewed, and criteria for the design of experiments to detect such bursts are developed. The 'core-bounce' type-II-supernova models of Bethe et al. (1979, 1980, and 1982) are examined in detail and shown to predict neutrino release on three distinct time scales: less than 1 msec (shock-wave breakout), less than 1 sec (inner-core leptonization), and less than 20 sec (hot-star cooling). The types and numbers of neutrinos, emission rates, and detector requirements are calculated and presented in a table. A second table gives the characteristics of the three operating detectors (with energy thresholds less than 20 MeV) capable of observing stellar neutrino bursts: the 500-ton water Cerenkov detector at Homestake; the 330-ton, 3140-module detector at Baksan; and the 100-ton single-module liquid-scintillation detector at Astyomovsk.
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