Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251l..45m&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 251, Dec. 1, 1981, p. L45-L48.
Astronomy and Astrophysics
Astrophysics
2
Abundance, Barium Isotopes, Carbonaceous Chondrites, Isotopic Enrichment, Meteoritic Composition, Neodymium Isotopes, Nuclear Fusion, Samarium Isotopes, Anomalies, Solar System
Scientific paper
The decomposition of Ba, Nd, and Sm isotopic anomalies in the Allende meteorite into s-process and r-process enrichment is computed with experimental cross section data for all stable isotopes involved. The uncertainties in the decomposition are analyzed, and it is suggested that a systematic enrichment trend exists, which is relative to solar system r-process material and favors the population of the lighter isotopes of each element. Based on these systematics, possible scenarios for the origin of the observed isotopic anomalies are discussed.
Fowler William A.
Mathews Grant J.
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