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Polarization in the inelastic scattering of 185 MeV protons
Authors:A Ingemarsson  E Hagberg  H Sherif
Institution:The Gustaf Werner Institute, University of Uppsala, Uppsala, Sweden;Nuclear Research Centre, University of Alberta, Edmonton, Alberta, Canada
Abstract:The polarizations produced in the inelastic scattering of 185 MeV protons exciting the lowest octupole states in 12C and 208Pb are measured. The data together with earlier similar measurements for 40Ca and 90Zr are compared with existing theoretical models. The inclusion of a deformed spin-dependent interaction of the full Thomas form in the DWBA amplitude is found to considerably improve the theoretical fits to the data. For 12C, however, the DWBA fit is found to be inferior to that obtained using DWIA. The strong absorption model is found to give qualitatively good fits to the data for the heavier nuclei but again fails in the 12C case.
Keywords:Nuclear reactions
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