The p-PROCESS in Core Collapse Supernovae:. Influence of Different Explosion Energies and Metallicities

Details The p-PROCESS in Core Collapse Supernovae:. Influence of Different Explosion Energies and Metallicities The p-PROCESS in Core Collapse Supernovae:. Influence of Different Explosion Energies and Metallicities

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005omeg.conf..493i&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2003. Held 17-19 November 2003 in RIKEN, Wako, Saitama, Japan. Edited by M Terasawa,

Astronomy and Astrophysics

Astronomy

4

Scientific paper

We present results of p-process nucleosynthesis in core collapse supernovae (SNe). We focus on the influence of different explosion energies and metallicities on p-process yields. We find that overproduction factors have a strong sensitivity on peak temperatures and that the distribution of normalized mean overproduction factors is robust to changing the explosion energy and metallicity. Our results indicate that (1) the contribution to the galactic evolution of p-nuclei from stars with Z ≲ Z&sun;/20 reduces significantly, and (2) more massive (M ≳ 25M&sun;) and energetic SNe may be a dominant production site of the p-nuclei.

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