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Delayed Neutrons from the Spontaneous Fission of Cf252

S. Cox, P. Fields, A. Friedman, R. Sjoblom, and A. Smith

  • Argonne National Laboratory, Lemont, Illinois

Phys. Rev. 112, 960 – Published 1 November, 1958

DOI: https://doi.org/10.1103/PhysRev.112.960

Abstract

The periods and absolute yields of delayed neutrons emitted following the spontaneous fission of Cf252 have been measured. Delayed-neutron periods of τ12=0.5±0.4, 2.0±0.4, and 20.0±0.5 sec with respective absolute yields of 0.35, 0.29, and 0.22% were found. The experimental results have been correlated with delayed-neutron emission from other fission processes and with existing precursor systematics.

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