Abstract

Exact finite-range distorted-wave Born approximation analyses of cross section and vector and tensor analyzing power angular distributions for some /sup 36,38/Ar(d-arrow-right,..cap alpha..) transitions induced by 16 MeV polarized deuterons have been performed using full s-italicd-italic-shell model wave functions and including a D-italic-state amplitude for the ..cap alpha.. particle. The L-italic-mixing ratios R-italic for several unnatural parity transitions have been determined from comparisons of the calculations with the tensor analyzing power data. Shell-model calculations are found to be in agreement with the experimentally obtained phases of R-italic, while the predicted magnitudes agree well in some cases.

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