The characteristics of the setup for analyzing the elemental composition of organic substances using spectroscopy of y rays induced by tagged neutrons with an energy of ～14 MeV in an inelastic neutron scattering reaction are discussed. An ING-27 D-T neutron generator with a built-in position-sensitive a detector, fast neutron and y detectors, and a multichannel detecting system providing a subnanosecond time resolution are parts of the experimental setup. The correlation between the exit angle of a neutron and the number of the a pixel, as well as the anisotropy in emission of y rays in the inelastic neutron scattering reaction, are measured, and the errors of these measurements are estimated.
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