Fission Cross Section of Pu241

M. S. Moore, O. D. Simpson, T. Watanabe, J. E. Russell, and R. W. Hockenbury
Phys. Rev. 135, B945 – Published 24 August 1964
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Abstract

The low-energy neutron-induced fission cross section of Pu241 has been measured from 2-100 eV, with sufficiently high resolution to permit multilevel analysis below neutron energies of 36 eV. The results of the analysis are consistent with the assumption that the resonances can be separated into two groups having different average fission widths, and that the interference effects can be described by a single-fission channel for each group. The properties of resonances from 12-36 eV are found to be very similar to those below 12 eV, described previously. On the basis of the parameters obtained, the number of effective fission channels is discussed.

  • Received 9 April 1964

DOI:https://doi.org/10.1103/PhysRev.135.B945

©1964 American Physical Society

Authors & Affiliations

M. S. Moore, O. D. Simpson, and T. Watanabe

  • Atomic Energy Division, Phillips Petroleum Company, Idaho Falls, Idaho

J. E. Russell and R. W. Hockenbury

  • Rensselaer Polytechnic Institute, Troy, New York

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Issue

Vol. 135, Iss. 4B — August 1964

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