Supernova theory: Simulation and neutrino fluxes

Details Supernova theory: Simulation and neutrino fluxes Supernova theory: Simulation and neutrino fluxes

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jphcs.136b2040b&link_type=abstract

Journal of Physics: Conference Series, Volume 136, Issue 2, pp. 022040 (2008).

Physics

3

Scientific paper

It is now generally accepted that Type II supernovae arise from the collapse of a massive stellar core that has reached the end point of silicon burning. The observation of a neutrino pulse from Supernova 1987A strongly supports the core collapse theory. However, 1-D simulations of core collapse fail to explode unless ad hoc mechanisms are invoked. Most recent multidimensional simulations explode without ad hoc mechanisms, but many simulations do not yet produce the high energies observed in SNe. We review the state of multidimensional core collapse simulations, with particular emphasis on neutrino transport algorithms and results. What are the predicted neutrino fluxes, and how can observations constrain theory and provide insights to computational physicists?

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