The Fission Cross Sections of Plutonium-239 and Plutonium-242 Relative to Uranium-235 from 0.1 to 10 MeV

J. W. Meadows

doi:dx.doi.org/10.13182/NSE78-A27315

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 68 / Number 3

The Fission Cross Sections of Plutonium-239 and Plutonium-242 Relative to Uranium-235 from 0.1 to 10 MeV

J. W. Meadows

Nuclear Science and Engineering / Volume 68 / Number 3 / December 1978 / Pages 360-363

Technical Note / dx.doi.org/10.13182/NSE78-A27315

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Measurement of the ratio of the fission cross sections of ²³⁹Pu and ²⁴²Pu to that of ²³⁵U is reported. The sources of neutrons were the ⁷Li(p,n)⁷Be and D(d, n)³ He reactions. The ratio of the masses of the samples was determined by low geometry alpha counting and from relative thermal fission rates. The results are compared with other measurements.