Abstract
The isoscalar electromagnetic current in the topological soliton model based on the Skyrme model for baryons is related to the topological current which is conserved for purely algebraic reasons. It reflects the chiral symmetry governing the low-energy hadron physics in the u- and d-quark sector and therefore relevant also for the properties of finite nuclei. Here the charge form factor of doubly closed shell nuclei such as 4He, 16O and 40Ca is studied by taking into account both the one- and two-body isoscalar charge operators. The results are compared with those obtained in the frame of meson exchange currents. The role of short-range correlation is also considered.
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