Abstract
The elastic scattering of12C+12C and16O+16O has been studied in the framework of an incoming wave boundary condition model. Different logarithmic derivatives for the incoming waves have been tested and their effects investigated with the help of Fourier analyses. It is shown that a logarithmic derivative obtained from a JWKB approximation leads to strong absorption of the low partial waves while a logarithmic derivative constant for all partial waves causes reflections. These reflections are necessary to describe the high energy elastic scattering of12C+12C. The fits thus obtained with shallow real potentials are comparable to those obtained with deep folding potentials. It is shown that not the lowest partial waves, but those within a window just below the grazing angular momentum are most important for the higher energy12C+12C angular distributions.
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Work supported by BMFT, GSI Darmstadt and the U.S. D.O.E.
We are grateful to A. Gobbi who supplied us with some of the experimental data and to R. Satchler, who made the folding potential of Ref. 12 for12C+12C available to us.
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Wolf, R., Mosel, U. & Pieper, S.C. Application of the incoming wave boundary condition to16O+16O and12C+12C elastic scattering. Z Physik A 294, 261–276 (1980). https://doi.org/10.1007/BF01438164
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DOI: https://doi.org/10.1007/BF01438164