Elsevier

Nuclear Physics A

Volume 334, Issue 2, 4 February 1980, Pages 349-364
Nuclear Physics A

Exponential optical potentials for heavy-ion elastic scattering

https://doi.org/10.1016/0375-9474(80)90074-3Get rights and content

Abstract

A detailed quantitative survey of the optical-model ambiguity in some particular cases shows a very wide range of equally good choices in the Woods-Saxon parameters and even some degree of indefiniteness in the magnitudes usually considered to be well-defined, like the strong absorption radius. In 16O + 208Pb elastic scattering we show that all the good real potentials agree over a given region rather than a point. A systematic use of (real and imaginary) exponential potentials can fit, in a less redundant form, a fairly sizable range of experimental data and lends itself to the construction of a general expression.

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