Abstract
A survey of the elastic scattering of 12C ions at 344.5 MeV has been made by measuring angular distributions for targets of 11B, 12C, 27Al, 58Ni, 90Zr and 197Au nuclei. The data were analyzed using two versions of the optical model: (a) a potential with Woods-Saxon form for both the real and imaginary part, (b) a folded potential for the real part based on the density- and energy-dependent DDM3Y interaction supplemented by an imaginary potential of Woods-Saxon form. Except for 27Al, the elastic data are consistent with the scattering from the folded potential without any need for renormalization. Data were also obtained for 12C + 12C exciting the 4.44 MeV 2 + 1 state. Coupled-channels analysis implied a potential deformation length of −1.15 fm for this transition.
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