Californium-254 and Supernovae

Details Californium-254 and Supernovae Californium-254 and Supernovae

Sep 1956

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1956phrv..103.1145b&link_type=abstract

Physical Review, vol. 103, Issue 5, pp. 1145-1149

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41

Scientific paper

It is suggested that the spontaneous fission of Cf254 with a half-life of 55 days is responsible for the form of the decay light-curves of supernovae of Type I which have an exponential form with a half-life of 55 nights. The way in which Cf254 may be synthesized in a supernova outburst, and reasons why the energy released by its decay may dominate all others are discussed. The presence of Tc in red giant stars and of Cf in Type I supernovae appears to be observational evidence that neutron capture processes on both a slow and a fast time-scale have been necessary to synthesize the heavy elements in their observed cosmic abundances.

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