Shock stagnation and neutrino losses in stellar collapse

Details Shock stagnation and neutrino losses in stellar collapse Shock stagnation and neutrino losses in stellar collapse

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sscr.conf...71m&link_type=abstract

In: Supernovae: A survey of current research; Proceedings of the Advanced Study Institute, Cambridge, England, June 29-July 10,

Physics

6

Energy Dissipation, Gravitational Collapse, Neutrinos, Particle Energy, Shock Wave Propagation, Stagnation Flow, Adiabatic Flow, Hydrodynamic Equations, Leptons, Stellar Models

Scientific paper

It is semianalytically shown that neutrino energy losses have significant effects on the propagation of shocks from stellar collapse. However, they are not critical in the stagnation of the shock, since hydrodynamical calculations without neutrino losses also lead to a stagnant accretion shock. Although nuclear dissociation critically determines the outcome, the neutrino losses are large and they modify the shock behavior significantly. With neutrino losses the shock stops advancing at a radius that is about 30 percent smaller than that of the adiabatic calculation.

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