A study of local approximation for polarization potentials
Abstract
We discuss the derivation of an equivalent l-independent polarization potential for use in the optical Schr\"odinger equation that describes the elastic scattering of heavy ions. Three diffferent methods are used for this purpose. Application of our theory to the low energy scattering of the halo nucleus 11Li from a 12C target is made. It is found that the notion of l-independent polarization potential has some validity but can not be a good substitute for the l-dependent local equivalent Feshbach polarization potential.
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