Distribution of Mass in the Spontaneous Fission of Fm256

K. F. Flynn, E. P. Horwitz, C. A. A. Bloomquist, R. F. Barnes, R. K. Sjoblom, P. R. Fields, and L. E. Glendenin
Phys. Rev. C 5, 1725 – Published 1 May 1972
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Abstract

The distribution of mass in the spontaneous fission of Fm256 has been investigated by the radiochemical determination of the fission yields for 28 mass chains. The mass distribution is asymmetric with a peak-to-valley ratio of ∼12. The average masses of the light and heavy groups are 111.9 and 141.0, respectively. The fission-yield data indicate a value of 3 ± 1 for ν¯, the average number of neutrons emitted per fission. A comparison of the characteristics of the mass distribution for low-energy fission of nuclides ranging from Th227 to Fm256 is given.

  • Received 20 December 1971

DOI:https://doi.org/10.1103/PhysRevC.5.1725

©1972 American Physical Society

Authors & Affiliations

K. F. Flynn, E. P. Horwitz, C. A. A. Bloomquist, R. F. Barnes, R. K. Sjoblom, P. R. Fields, and L. E. Glendenin

  • Chemistry Division, Argonne National Laboratory, Argonne, Illinois 60439

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Vol. 5, Iss. 5 — May 1972

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