The inelastic collision cross sections of a number of elements for 14-Mev neutrons have been measured, using threshold detectors inside spherical shells of the scattering material. Reactions in copper, aluminum, and phosphorus with thresholds at approximately 11.5 Mev, 2.6 Mev, and 1.4 Mev were used as threshold detectors.
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Phillips et al. (1952) studied this question.
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