Abstract
Differential cross sections and vector analyzing powers for the elastic and inelastic scattering of 14.83 MeV deuterons from 40Ar have been measured. The inelastic scattering data are analyzed using the distorted-wave Born approximation and the coupled-channel formalism in the framework of the collective model. Spin-orbit deformation of the full-Thomas form is included in the interaction potential. The coupled-channel predictions of the analyzing power for the one-phonon 2+ state at 1.46 MeV are sensitive to the mode of collective excitation. The analyzing-power data are reproduced qualitatively. For the 2+, state, inclusion of the full-Thomas spin-orbit deformation seems to improve the reproducibility of the forward-angle analyzing-power data and the phase relationship between the data and the calculations. Analysis of the two-phonon states suggests that most of the scattering strength for these states arises from their one-phonon component. DWBA analysis of the data for several states with higher excitation energies permits definitive spin-parity assignments for some of these states.
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