Plutonium-244: Confirmation as an Extinct Radioactivity

Details Plutonium-244: Confirmation as an Extinct Radioactivity Plutonium-244: Confirmation as an Extinct Radioactivity

May 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971sci...172..837a&link_type=abstract

Science, Volume 172, Issue 3985, pp. 837-840

Computer Science

51

Scientific paper

The mass spectrum of xenon from spontaneous fission in a laboratory sample of plutonium-244 is precisely what meteoriticists predicted it would be; this discovery completes a web of proof that this nuclide is a bona fide extinct radioactivity of galactic origin, that r-process nucleosynthesis was ongoing in the galaxy at the time of the birth of the sun, and that the early meteoritic abundances of plutonium-244, heretofore tentative, can be utilized with confidence in models for the chronology of galactic nucleosynthesis. The search for an explanation for anomalous fission-like xenon in carbonaceous chondrites can now be narrowed.

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