New information on r-process nuclei

Details New information on r-process nuclei New information on r-process nuclei

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..455..827k&link_type=abstract

Exotic nuclei and atomic masses (ENAM 98). AIP Conference Proceedings, Volume 455, pp. 827-836 (1998).

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Origin, Formation, And Abundances Of The Elements, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments

Scientific paper

The current status of nuclear-structure measurements on medium-heavy isotopes relevant to r-process nucleosynthesis is briefly reviewed. Here, the main focus is put on the region around the doubly-magic nucleus 132Sn, where first experimental evidence for a weakening of the N=82 shell strength is presented. This new phenomenon leads to improved predictions of astrophysical observables like the solar-system isotopic r-abundances and the recent Ba-U elemental abundances of ultra-metal-poor neutron-capture-rich halo stars.

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