Neutrino interactions and supernovae

Details Neutrino interactions and supernovae Neutrino interactions and supernovae

Oct 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975nyasa.262...80b&link_type=abstract

(AAS, American Physical Society, and New York Academy of Sciences, Texas Symposium on Relativistic Astrophysics, 7th, Dallas, Te

Astronomy and Astrophysics

Astrophysics

26

Elementary Particle Interactions, Energy Transfer, Gravitational Collapse, Neutrinos, Particle Energy, Stellar Mass Ejection, Supernovae, Astronomical Models, Coherent Scattering, Hydrodynamics, Mean Free Path, Newton Theory, Radiative Transfer, Scattering Cross Sections

Scientific paper

Neutrino transport supernova models were evolved by a computer code that couples explicit Newtonian hydrodynamics with an implicit radiation transport scheme that involves multigroup flux-limited diffusion. The models evolved are strongly dependent on neutrino opacities used. It is found that mass ejection, when it occurs, proceeds primarily by a reflected shock. In only one model did neutrino interactions increase the energy of the material ejected. Efficient coupling of the energies of the neutrino and particle gases in the core, together with a rapid outward transport of this energy, reduces the strength of the reflected shock and prevents material ejection.

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