Observation of a Difference in Yields of Delayed Neutron Emitters from U3O8 and UO2

H. R. Lukens; R. L. Bramblett

doi:dx.doi.org/10.13182/NSE76-A26928

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 61 / Number 3

Observation of a Difference in Yields of Delayed Neutron Emitters from U₃O₈ and UO₂

H. R. Lukens, R. L. Bramblett

Nuclear Science and Engineering / Volume 61 / Number 3 / November 1976 / Pages 426-428

Technical Note / dx.doi.org/10.13182/NSE76-A26928

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The delayed neutron yield from ²³⁵U fission products has been observed to be several percent greater from highly ²³⁵U-enriched UO₂ than from highly enriched U₃O₈ over samples in the range of ²³⁵U weights employed (∼0.3 to 25 mg). This difference is not attributable to a neutron attenuation anomaly; rather, it seems to be the result of an influence of chemical structure.