COULOMB DISPLACEMENT ENERGIES AND NEUTRON-PROTON DENSITY DISTRIBUTIONS
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We call attention to the fact that an accumulation of recent data concerning rn, the rms radius of neutron density distributions, in neutron-rich nuclei indicate that values of r=rn-rp are considerably smaller than those obtained from simple shell-model prescriptions or predicted by common Hartree-Fock calculations. We show that values of r consistent with these data can explain the long-standing Coulomb energy problem (Nolen-Schiffer anomaly). 1977 The American Physical Society.