Nucleosynthesis of neutron-rich heavy nuclei during explosive helium burning in massive stars

Details Nucleosynthesis of neutron-rich heavy nuclei during explosive helium burning in massive stars Nucleosynthesis of neutron-rich heavy nuclei during explosive helium burning in massive stars

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8114939b&link_type=abstract

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Physics

Abundance, Heavy Nuclei, Helium, Nuclear Reactions, Stellar Mass Ejection, Supernovae, Metallic Stars, Platinum, Primary Cosmic Rays, Stellar Models

Scientific paper

The production of heavy nuclei during explosive helium burning was calculated using a hydrodynamical model of a 15 Mo (Type II) supernovae and a "n-process" nuclear reaction network. The resulting neutron-rich heavy nuclei were not produced in the relative abundances of solar-system r-process material, especially in the vicinity of Pt, nor are any actinides produced. These deficiencies reflect an inadequate supply of neutrons. However some neutron-rich isotopes, normally associated with the r-process, were produced which may be significant for the production of isotopic anomalies in meteorites.

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