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Measurements of the Prompt Fission Neutron Spectrum from the Spontaneous Fission of 252Cf

J. W. Boldeman, B. E. Clancy, D. Culley

Nuclear Science and Engineering

Volume 93 / Number 2 / June 1986 / Pages 181-192


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The prompt neutron emission spectrum from the spontaneous fission of 252Cf has been measured for the 0.124- to 15.0-MeV energy range. In the measurement program, seven separate measurements were made of the spectrum between 7.0 and 15.0 MeV using a plastic scintillator as the neutron detector. For the 0.124- to 2.66-MeV energy range, a 6Li glass scintillator was used as the neutron detector. The data are presented with respect to a Maxwellian distribution with T = 1.42 MeV. Some positive and negative deviations with respect to this distribution have been observed.

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