Computer Science
Scientific paper
Mar 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977e%26psl..34..197l&link_type=abstract
Earth and Planetary Science Letters, vol. 34, no. 2, Mar. 1977, p. 197-208. ERDA-supported research.
Computer Science
6
Carbonaceous Chondrites, Curium Isotopes, Fission Products, Meteoritic Composition, Radioactive Isotopes, Xenon Isotopes, Abundance, Isotope Effect, Krypton Isotopes, Mass Ratios
Scientific paper
The isotopic spectrum of xenon fission products from a 97% isotopically pure Cm-248 sample was measured in order to determine whether the spontaneous fission of Cm-248 is responsible for the heavy-isotope anomalies, known as the carbonaceous chondrite 'fission' (CCF) component, in xenon extracted from carbonaceous chondrites. The composition of xenon following spontaneous fission was found to be: Xe-134/Xe-136 = 1.065, Xe-132/Xe-136 = 0.81, and Xe-131/Xe-136 = 0.49. These results are considered inconsistent with any of the various estimates of the CCF composition, implying that if spontaneous fission of Cm-248 contributed at all to the CCF component, the contribution was relatively minor.
Leich Douglas Albert
Michel M. C.
Niemeyer Sid
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