The total neutron cross sections of gold, chlorine, and phosphorus have been measured over the energy range 100 to 700 kev using the mono-energetic neutrons from the H³(p, n)He³ reaction with an energy resolution of about 40 kev. Pronounced resonances were found in phosphorus, slight indications of resonances were found in chlorine, and no resonances were found in gold.
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Snowdon et al. (1953) studied this question.
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