Abstract

The problem of inelastic scattering of several MeV nucleons is formulated in nuclear dispersion theory. The case where the residual nucleus is left in a state of low excitation is considered in detail. Contributions from the distant compound-nucleus levels can be summed explicitly, and give an expression similar to that usually employed in the theory of direct interaction to calculate differential cross sections. Contributions from the near compound-nucleus levels contribute in a complex fashion, and cannot explicitly be summed. It is assumed that phase relations can usually be neglected for them, and they, then, are responsible for the compound-inelastic scattering.

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