Abstract
Using a distorted wave approximation some remarks are made about fits to neutron S wave strength functions of spherical nuclei. These indicate that good fits to low-energy data, especially sensitive to the imaginary part, are facilitated by using a surface-peaked imaginary distribution having, in addition to strength and width parameters, a variable location parameter. These considerations should be helpful in improving theoretical fits to the strength function data. It is also indicated that, at present, a phenomenological fit to the S wave strength function data can hardly give a unique imaginary distribution.
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