Aspherical abundance distribution of ejecta from neutrino-driven core collapse supernova

Details Aspherical abundance distribution of ejecta from neutrino-driven core collapse supernova Aspherical abundance distribution of ejecta from neutrino-driven core collapse supernova

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1269..472f&link_type=abstract

THE 10TH INTERNATIONAL SYMPOSIUM ON ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: OMEG-2010. AIP Conference Proceedings, Volume 1

Physics

Supernovae, Hydrodynamics, Accretion, Nucleosynthesis, Supernovae, Hydrodynamics, Accretion And Accretion Disks, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

We examine explosive nucleosynthesis during a delayed neutrino-driven, supernova explosion aided by standing accretion shock instability, based on two-dimensional hydrodynamic simulations of the explosion of a 15Msolar progenitor. We find that abundance pattern of the supernova ejecta is similar to that of the solar system, for cases with high explosion energies of ~=1051 ergs. Aspherical distribution of Fe, Si, and O, which is observed in a nearby core-collapse SN remnant such as Cas A, is obtained in spite of the explosion of the non-rotating, spherical progenitor.

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