Cosmochronology with the (Rb-87)/(Sr-87) isobaric pair

Details Cosmochronology with the (Rb-87)/(Sr-87) isobaric pair Cosmochronology with the (Rb-87)/(Sr-87) isobaric pair

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.100..243b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 100, no. 1-2, March 1984, p. 243-253.

Astronomy and Astrophysics

Astrophysics

10

Abundance, Cosmology, Nuclear Fusion, Radioactive Age Determination, Rubidium Isotopes, Strontium 87, Galactic Evolution, Isobars, Radioactive Isotopes

Scientific paper

The long-lived cosmochronometer 87Rb (T1/2 = 4.8×1010 yr) is studied. As its origin is partly due to s-and partly to r-process nucleosynthesis it can provide information about the time histories of these processes. The methods of using 87Rb quantitatively for a chronological analysis are described. Tentative calculations based on existing experimental data are also presented. The data indicate a larger r-process age than the s-process age.

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