p-Process simulations with a modified reaction library

I. Dillmann, T. Rauscher, M. Heil, F. Kaeppeler, W. Rapp, F-K Thielemann

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21 Citations (Scopus)
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Abstract

We have performed p-process simulations with the most recent stellar (n, gamma) cross sections from the Karlsruhe Astrophysical Database of Nucleosynthesis in Stars project (version v0.2, http://nuclear-astrophysics.fzk.de/kadonis). The simulations were carried out with a parametrized supernova type II shock front model ('gamma-process') of a 25 solar mass star and compared to recently published results. A decrease in the normalized overproduction factor could be attributed to lower cross sections of a significant fraction of seed nuclei located in Bi and Pb regions around the N = 126 shell closure.

Original languageEnglish
Article number014029
Number of pages5
JournalJournal of Physics G: Nuclear and Particle Physics
Volume35
Issue number1
DOIs
Publication statusPublished - Jan 2008
Event3rd Europhysics Conference on Nuclear Physics in Astrophysics (NPA3) - Dresden, Germany
Duration: 26 Mar 200731 Mar 2007

Keywords

  • NUCLEAR
  • ISOTOPES
  • STARS
  • STATISTICAL-MODEL CALCULATIONS
  • PROCESS NUCLEOSYNTHESIS
  • CROSS-SECTIONS
  • ELEMENTS
  • ASTROPHYSICAL REACTION-RATES
  • RP-PROCESS
  • NEUTRON-CAPTURE

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