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Eu isotope measurement on single SiC grains from the Murchison meteorite: A new probe of s-process conditions in parent Asymptotic Giant Branch stars

Terada, K; Itoh, K.; Hidaka, H.; Yoshida, T.; Iwamoto, N.; Aoki, Wako; Williams, Ian

Description

Europium isotopic composition could be a good probe to investigate the neutron capture process in Asymptotic Giant Branch stars (AGB stars) and/or supernovae, because the 151Sm and 153Sm branchings are sensitive to the neutron densities and temperature. Here, we report Eu isotopic analyses of single SiC grains from primitive meteorites using the sensitive high resolution ion microprobe (SHRIMP). The results are compared with Eu isotopic ratios predicted from the recently determined 151Sm(n, γ)...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/20795
Source: New Astronomy Reviews
DOI: 10.1016/j.newar.2006.06.006

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