Fission tracks in a white inclusion of the Allende chondrite - Evidence for Pu-244

Details Fission tracks in a white inclusion of the Allende chondrite - Evidence for Pu-244 Fission tracks in a white inclusion of the Allende chondrite - Evidence for Pu-244

Oct 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974e%26psl..23..308s&link_type=abstract

Earth and Planetary Science Letters, vol. 23, no. 3, Oct. 1974, p. 308-312.

Physics

6

Chondrites, Cosmic Rays, Nuclear Fission, Particle Tracks, Angular Distribution, Inclusions, Mass Ratios, Uranium 238, Xenon Isotopes

Scientific paper

Fossil fission tracks have been found in a coarse-grained white inclusion of the Allende chondrite. Tracks are present in excess of those produced by U-238 spontaneous fission and cosmic rays. The ratio of excess tracks to U-238 tracks is about 20, intermediate to ratios previously observed in meteorites but much lower than might be expected in light of the high initial Pu-244/U ratio measured in these inclusions from Xe isotope ratios.

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