146Sm: A Chronometer for p-Process Nucleosynthesis

Details 146Sm: A Chronometer for p-Process Nucleosynthesis 146Sm: A Chronometer for p-Process Nucleosynthesis

Jun 1972

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972natur.237..447a&link_type=abstract

Nature, Volume 237, Issue 5356, pp. 447-449 (1972).

Astronomy and Astrophysics

Astrophysics

22

Scientific paper

UNTIL now, nucleosynthetic chronologies have been proposed only for r-process nuclei1-5. Nucleosynthesis of the rare proton-rich isotopes is generally attributed to an as yet poorly understood p-process1. We propose the use of the p-process radioisotope, 146Sm(τ½ = 7×107 yr), as a possible nucleochronometer. The development of a p-process chronology would provide information about when the p-process occurred, which might provide a clue regarding the astrophysical site of the p-process.

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