Abstract
Core polarization charges of quadrupole transitions in proton drip line nuclei, 50 100Sn 50 and 28 48Ni 20, are estimated, using the Hartree-Fock calculations with Skyrme interactions and the RPA solved in the coordinate space with the Green's function method. The polarization charges of the two nuclei are larger than those of ℓ-s closed shell nuclei and receive the major contributions from both the lowest-lying 2 + state and the giant resonances. The E2 polarization charge estimated for 50 100Sn 50 is consistent with the available empirical information obtained from the shell model analysis of the data on 48 99Cd 51, though the estimated e pol( E2) values depend appreciably on Skyrme interactions used.
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