Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..315b&link_type=abstract
Astrophysical Journal, Part 1, vol. 248, Aug. 15, 1981, p. 315-320. Research supported by the Aerospace Corp.
Astronomy and Astrophysics
Astrophysics
32
Heavy Nuclei, Helium, Nuclear Astrophysics, Nuclear Fusion, Stellar Mass, Supernovae, Abundance, Isotopes, Meteoritic Composition, Neutrons, Stellar Models
Scientific paper
The production of heavy nuclei during explosive helium burning has been calculated using a hydrodynamical model of a 15-solar mass (Type II) supernova and an n-process nuclear reaction network. It is found that the resulting neutron-rich heavy nuclei are 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, are produced which may be significant for the production of isotopic anomalies in meteorites.
Bernard Blake J.
Schramm David N.
Weaver Thomas A.
Woosley Stan E.
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