Abstract

The one-channel resonating-group method, together with a phenomenological imaginary potential, is used to study the d + /sup 3/H and d + / sup 3/He systems. Our calculations show that, because of the Pauli exclusion principle, these systems possess the following rather interesting feature: In the s = 3/2 state they behave similar to the d + alpha system, whereas in the s = 1/ 2 state they behave more like the /sup 3/He + /sup 4/He system. Phase shifts are computed up to 1 = 7, and an R-matrix analysis of these phases indicates that there are a large number of levels with resonance energies below 12 MeV. Differential scattering and total-reaction cross sections are compared with experimental data at several c.m. energies from about 2 to 14 MeV. This comparison shows that the introduction of an odd-even orbital-angular-momentum dependence into the imaginary potential can improve the agreement of the calculation with experiment. (auth)

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