Measurement of the Uranium-238 to Uranium-235 Fission Cross-Section Ratio for Neutron Energies Between 0.1 and 25 MeV

F. C. Difilippo; R. B. Perez; G. de Saussure; D. K. Olsen; R. W. Ingle

doi:dx.doi.org/10.13182/NSE78-A27269

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 68 / Number 1

Measurement of the Uranium-238 to Uranium-235 Fission Cross-Section Ratio for Neutron Energies Between 0.1 and 25 MeV

F. C. Difilippo, R. B. Perez, G. de Saussure, D. K. Olsen, R. W. Ingle

Nuclear Science and Engineering / Volume 68 / Number 1 / October 1978 / Pages 43-54

Technical Paper / dx.doi.org/10.13182/NSE78-A27269

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The ²³⁸U to ²³⁵U fission cross-section ratio has been measured for incident neutrons from 0.1 to 25.0 MeV. A ratio shape measurement was normalized by the threshold cross-section method. A fission cross-section ratio from 0.436 ± 0.004 was found averaged over neutron energies from 2.35 to 2.95 MeV.