The even-odd systematics in R-process nuclide abundances

Details The even-odd systematics in R-process nuclide abundances The even-odd systematics in R-process nuclide abundances

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.144..507m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 144, no. 1-2, May 1988, p. 507-517.

Astronomy and Astrophysics

Astrophysics

2

Abundance, Nuclear Astrophysics, Nuclides, Solar System, Neutrons, Nuclear Fusion, Rare Earth Elements

Scientific paper

The authors report and discuss solar system NR abundances for nuclides A > 70, obtained as differences between measured solar system abundances and calculated S-process contributions. The abundance peak at A ≈ 163 in the rare Earth element region reveals properties which are similar to those of the R-process peaks corresponding to magic neutron numbers N = 82 and N = 126. The authors observe that systematic differences in the NR abundances of even-A and odd-A nuclides are restricted to specific mass regions. They discuss possible interpretations and conclude that these differences are most probably related to the properties of nuclear species during β--decay to the stability valley.

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