The r-Process Elements: Physics, Origin, and RIA

Details The r-Process Elements: Physics, Origin, and RIA The r-Process Elements: Physics, Origin, and RIA

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..dnp4wb003q&link_type=abstract

American Physical Society, Division of Nuclear Physics Fall Meeting, October 30 - November 1, 2003, Tucson, Arizona, MEETING ID:

Physics

Nuclear Physics

Scientific paper

Approximately half of the heavy elements with A>70 are made via rapid neutron capture, the r-process. The conditions required for this process have been examined in terms of the parameters for adiabatic expansion from high temperature and density. There have been many developments regarding core-collapse supernova and neutron star merger models of the r-process. Meteoritic data and observations of metal-poor stars have demonstrated the diversity of r-process sources. Stellar observations have also found some regularity in r-process abundance patterns and large dispersions in r-process abundances at low metallicities. This talk will summarize the recent results from parametric studies, astrophysical models, and observational studies of the r-process. The interplay between nuclear physics and astrophysics will be emphasized. Possible measurements crucial to r-process studies will be discussed in connection with rare isotope accelerator facilities such as RIA .

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