R-process in prompt and delayed supernova explosions

Details R-process in prompt and delayed supernova explosions R-process in prompt and delayed supernova explosions

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003nupha.721.1036s&link_type=abstract

Nuclear Physics A, Volume 721, p. C1036-C1039.

Physics

Nuclear Physics

Scientific paper

We study the r-process nucleosynthesis in a prompt supernova explosion and in neutrino-driven winds above proto-neutron stars born in supernova explosions. We perform the numerical simulations of hydrodynamics adopting the relativistic EOS table and the extended nuclear reaction network. We show that successful r-process nucleosynthesis can take place in these two scenarios of r-process in collapse-driven supernovae corresponding to different explosion mechanisms from presupernova stars with different masses. The two scenarios are viable to explain the universal r-process abundance pattern which is found in extremely-metal poor stars and is accord with the solar abundance pattern.

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