Mechanism of Fission Neutron Emission: New Experimental Arguments

N. V. Kornilov; S. M. Grimes

doi:dx.doi.org/10.1080/00295639.2020.1768779

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Mechanism of Fission Neutron Emission: New Experimental Arguments

N. V. Kornilov, S. M. Grimes

Nuclear Science and Engineering / Volume 194 / Number 10 / October 2020 / Pages 927-937

Technical Note / dx.doi.org/10.1080/00295639.2020.1768779

Received:January 1, 2020

Accepted:April 28, 2020

Published:September 16, 2020

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The Scale Method was applied for analysis of experimental and theoretical prompt fission neutron spectra (PFNSs). This approach allowed us to demonstrate evidence from several experiments that had not been discussed before. The comparison of experimental and calculated data; the analysis of experimental PFNSs from neutron-induced fission reactions for ²³²Th, ²³³U, ²³⁵U, ²³⁸U, ²³⁷Np, and ²³⁹Pu; and the analysis of spontaneous fission for ²⁴²Pu, ²⁴⁶Cm, ²⁴⁸Cm, and ²⁵²Cf gave new results that may change our understanding of the neutron emission mechanism.