Numerical Simulation of a Fusion Power Measurement Using Inelastic Neutron Scattering by Carbon Nuclei

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The possibility of using prompt γ rays from the 4.439-MeV excited level of carbon nuclei in the 12C(n, n′γ)12C reaction and scattered neutrons for measuring the power of a thermonuclear facility is studied. It is shown that the angular distributions of γ rays and scattered neutrons can be measured using three γ-ray spectrometers and three neutron detectors. The detectors must be installed around the carbon sample at angles of 140.8°, 90.0°, and 39.2°. The obtained total cross sections of the scattered-neutron and γ-ray angular yields are compared to the published data.

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