Eu isotopic analyses of SiC grains from the Murchison Meteorite

Details Eu isotopic analyses of SiC grains from the Murchison Meteorite Eu isotopic analyses of SiC grains from the Murchison Meteorite

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..847..324t&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: International Symposium on Origin of Matter and Evolution of Galaxies 2005: New Hori

Astronomy and Astrophysics

Astrophysics

1

Dust Processes, Meteors, Meteorites And Tektites, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

We report Eu isotopic analyses of single SiC grains from primitive meteorites using the Sensitive High Resolution Ion Microprobe. The results are compared with Eu isotopic ratios predicted from the recently determined 151Sm(n, γ) cross sections and the thermally pulsed s-process model of AGB stars. The observed Eu isotopic compositions of SiC grains place constraints on s-process conditions such as the temperature and neutron densities in AGB stars.

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