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Double folding potential is constructed using the M3Y interaction and the
matter densities of the projectile and target nuclei obtained from four
microscopic energy density functional (EDF) models. The elastic scattering
cross sections for the 16O+208Pb system are calculated using the optical model
with the double folding potentials of the four EDF models. We focus on the
correlation between the matter densities and the behavior the double folding
potential and the elastic scattering cross sections. First, the matter and
charge densities are examined by comparing the results of the four EDF models.
There is a slight difference in the density in the internal region, but it is
negligible in the outer region. Next, we calculate the double folding potential
with the matter densities obtained from the four EDF models. Differences
between the models are negligible in the outer region, but the potential depth
in the internal region shows model dependence, which can be understood from the
behavior of matter densities in the internal region. Another point is that the
double folding potential is shown to be weakly dependent on the incident
energy. Finally, the elastic scattering cross sections have no significant
model dependence except for the slight difference in the backward angle.
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