1978•Nuclear Science and EngineeringRequires access

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

Abstract

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.

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Key concepts: Uranium-235, Fission, Nuclear physics, Uranium, Neutron, Uranium-238, Cross section (physics), Neutron cross section