Study on technique for measuring neutrons by measuring the γ rays from fission fragments

In this paper the method of measuring neutrons is studied by measuring the γ rays from fission fragments of a U 238 foil, which are captured or collected in polyester foils. γ rays from fission fragments in the polyester foils are measured with a NaI (Tl) detector. Neutrons are measured in different systems. The measuring results are consistent with that from a fission chamber. The experimental results are analyzed and discussed.

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