Measurement and folding-potential analysis of the elastic α-scattering on light nuclei |
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Authors: | H Abele H J Hauser A Körber W Leitner R Neu H Plappert T Rohwer G Staudt M Straßer S Weite M Walz P D Eversheim F Hinterberger |
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Institution: | 1. Physikalisches Institut der Universit?t Tübingen, Federal Republic of Germany 3. Institut für Strahlen- und Kernphysik, Universit?t Bonn, Federal Republic of Germany
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Abstract: | Differential cross sections ofα-elastic scattering have been measured for the target nuclei11B,12C,13C,14N,15N, and16O atE=48.7 and 54.1 MeV and for the nuclei17O,18O, and20Ne atE=54.1 MeV. The experimental results were analysed in terms of the optical model using different complex potentials. Special emphasis is given to the application of the double-folding approach for the real part of the potential. The imaginary part is expressed in terms of Fourier-Bessel functions. Differential cross sections for theα-16O scattering over a wide energy range and for the elasticα-scattering for nuclei in the mass rangeA=11 up toA=24 atE=54.1 MeV are analysed by this method. A close correlation between the absorptive part of the potential and nuclear deformation is observed. |
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