Abstract

The elastic cross section for neutrons by Uranium atoms is calculated for the reactions 235U(n, n) and 238U(n, n) in the regime of low energies using Coulomb andWoods-Saxon potentials. The parameters used in the calculations were chosen by comparison with experimental data previously published by reducing chi-square. Using the same parameters in the equations the ratio 238U/235U is calculated. The results are shown next to the experimental data to illustrate the agreement of the model in the range of energies from 1.5 keV to 1.0 MeV .

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