The r-PROCESS Record in Meteorites

Details The r-PROCESS Record in Meteorites The r-PROCESS Record in Meteorites

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rpao.conf..120d&link_type=abstract

THE r-PROCESS The Astrophysical Origin of the Heavy Elements and Related Rare Isotope Accelerator Physics. Proceedings of the Fi

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

The r-process record in bulk meteorites and components of primitive meteorites (including refractory inclusions and presolar grains) is reviewed. Small r-process excesses are seen in bulk meteorites and refractory inclusions. Large r-process enhancements have only been observed in presolar diamond. The unique properties and formation conditions of presolar diamond, high purity and high surface-to-volume ratio, may allow it to preserve an r-process signature. It is suggested that the conditions under which r-process matter is ejected from a nascent neutron star dictate that apart from diamonds, strong r-process enhancements are not to be expected in larger presolar grains and other solar system components.

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