Measurements of the Total Neutron Cross Section of Uranium-233 Between 40 keV and 4.5 MeV

Abstract
The total neutron cross section of 233U was measured between 40 keV and 4.5 MeV. “Monoenergetic” neutrons were used over the total energy range with the time-of-flight (TOF) technique employed for background suppression. At lower energies (<200 keV), pseudo-white spectra TOF techniques were also used. Present results are up to 10% higher than previous measurements between 40 and 500 keV, and a similar difference exists relative to the evaluated nuclear data file ENDF/B-IV.

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