Photoactivation of 180Tam and Its Implications for the Nucleosynthesis of Nature's Rarest Naturally Occurring Isotope

Details Photoactivation of 180Tam and Its Implications for the Nucleosynthesis of Nature's Rarest Naturally Occurring Isotope Photoactivation of 180Tam and Its Implications for the Nucleosynthesis of Nature's Rarest Naturally Occurring Isotope

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999phrvl..83.5242b&link_type=abstract

Physical Review Letters, vol. 83, Issue 25, pp. 5242-5245

Physics

51

Scientific paper

The depopulation of the quasistable isomer in 180Ta with Jπ = 9- at Ex = 75 keV by resonant photoabsorption was investigated with intense bremsstrahlung. The results indicate a dramatic acceleration of the isomer decay to the short-lived Jπ = 1+ ground state under stellar s-process conditions. The consequences for a possible nucleosynthesis of nature's rarest isotope 180Ta within the s process are discussed.

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