Physics
Scientific paper
Oct 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8812434c&link_type=abstract
Presented at the Hans Bethe's Birthday Conference on Supernovae, Ithaca, N.Y., 19 Oct. 1986
Physics
Luminosity, Neutrinos, Neutron Stars, Shock Waves, Supernovae, Weak Energy Interactions, Energy Transfer, Entropy, Hydrodynamics, Momentum Transfer, Trapping
Scientific paper
The role of neutrinos in Type II supernovae is discussed. An overall view of the neutrino luminosity as expected theoretically is presented. The different weak interactions involved are assessed from the standpoint of how they exchange energy, momentum, and lepton number. Particular attention is paid to entropy generation and the path to thermal and chemical equilibration, and to the phenomenon of trapping. Various methods used to calculate the neutrino flows are considered. These include trapping and leakage schemes, distribution-averaged transfer, and multi-energy group methods. The information obtained from the neutrinos caught from Supernova 1987 is briefly evaluated.
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