LOCAL REPRESENTATION OF A DEEP PARITY AND L-DEPENDENT O-16-20 POTENTIAL(NE)

We have found, using the IP inversion method, the 1-independent potent ial which leads to the same angular distributions as the phenomenologi cal parity and 1-dependent ''deep'' potential of Gao and He, fitted to the O-16 + Ne-20 scattering for energies below 40 MeV. The real part of this potential is deeper over the whole range. The absorptive part is surface transparent having a small and energy-dependent radius refl ecting the original l-dependent cut-off. We show that the parity odd-e ven staggering effect in S(l) is necessary only for the grazing partia l waves in order to yield the Gao and He cross sections. We also show that the present potential leads to wave functions that are different from those of Gao and He. The implications for phenomenology are discu ssed.