Detailed Nucleosynthesis Yields from the Explosion of Massive Stars

Details Detailed Nucleosynthesis Yields from the Explosion of Massive Stars Detailed Nucleosynthesis Yields from the Explosion of Massive Stars

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..250..401f&link_type=abstract

Massive Stars as Cosmic Engines, Proceedings of the International Astronomical Union, IAU Symposium, Volume 250, p. 401-406

Astronomy and Astrophysics

Astronomy

Nuclear Reactions, Nucleosynthesis, Abundances, Supernovae: General, Neutrinos

Scientific paper

Despite the complexity and uncertainties of core collapse supernova simulations there is a need to provide correct nucleosynthesis abundances for the progressing field of galactic evolution and observations of low metallicity stars. Especially the innermost ejecta are directly affected by the explosion mechanism, i.e. most strongly the yields of Fe-group nuclei for which an induced piston or thermal bomb treatment will not provide the correct yields because the effect of neutrino interactions is not included.
Recent observations of metal-poor halo stars support the suggested existence of a lighter element primary process (LEPP) which operates very early in the galaxy and is independent of the r-process. We present a candidate for the LEPP, the so-called νp-process.

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