Total kinetic energy release in the fast neutron induced fission of 235U
Journal Article
·
· Nuclear Physics. A
- Oregon State Univ., Corvallis, OR (United States). Dept. of Chemistry
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
The total kinetic energy (TKE) release in the fast neutron induced fission of 235U was measured for neutron energies E$$_n$$ = 2 - 100 MeV. The TKE distributions are Gaussian in shape. The mean post neutron emission TKE release decreases non-linearly with increasing neutron energy and can be represented as TKE(MeV) = 170.92-3.73774log10En-0.65028(log10En)2. Abrupt changes in the variances of the TKE distributions are observed at the onset of 2nd, 3rd, etc. chance fission. For En= 20-100 MeV, the variances are approximately constant. These observations are compared to the predictions of the GEF model for neutron-induced fission. This model describes many of the features of the TKE release adequately.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- 89233218CNA000001
- OSTI ID:
- 1524372
- Alternate ID(s):
- OSTI ID: 1496273
- Report Number(s):
- LA-UR-17-29240
- Journal Information:
- Nuclear Physics. A, Vol. 970, Issue C; ISSN 0375-9474
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 12 works
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