Abstract

Abstract An experimental program has been initiated at the Oak Ridge Electron Linear Accelerator (ORELA) to measure yields of individual gamma rays resulting from interactions of 0.2- to 40-MeV neutrons with elements of structural materials of interest both for applied needs and basic research. In this paper we outline this program and present some cross-section results for ″natCr(n,xγ), 56Fe(n,xγ) and 58Ni(n,xγ). A good estimate of the total inelastic scattering cross section is obtained from the production cross section of the gamma ray corresponding to de-excitation of the first 2+ level in the even-even nuclides studied. In addition, cross sections for production of gamma rays resulting from tertiary reactions are measured, thus obtaining scarce cross-section information about these reactions.

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