The p-nuclei - Abundances and origins

Details The p-nuclei - Abundances and origins The p-nuclei - Abundances and origins

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26arv...3..201l&link_type=abstract

Astronomy and Astrophysics Review (ISSN 0935-4956), vol. 3, no. 3-4, April 1992, p. 201-256. Research supported by Robert A. Wel

Astronomy and Astrophysics

Astrophysics

60

Carbonaceous Chondrites, Cosmochemistry, Heavy Nuclei, Meteoritic Composition, Nuclear Fusion, Abundance, Meteoroids, Nuclear Reactions, Radioactive Isotopes

Scientific paper

The review discusses the solar system (meteoritic) abundances and the possible modes of nucleosynthesis of the 30-odd p-nuclei from Se-74 to Hg-196. In addition to a discussion of the abundances for bulk meteorites, isotopic anomalies related to the p-nuclei are discussed including the Xe-HL associated with the 'interstellar' diamonds and the extinct radionuclides Sm-146 and Nb-92. Various proposed schemes of synthesizing p-nuclei are reviewed. The gamma-process (photoerosion) operating in SN Ia (exploding C-O white dwarfs) appears capable of accounting for the relative and absolute abundances of all but one or two of the rarest of p-nuclei. Synthesis of these latter nuclei is also discussed.

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