Abstract

Abstract Radii of sodium isotopes have been calculated by using the Hartree-Fock-BCS model and the Generator Coordinate Method (GCM) with different forces. It is found that Hartree-Fock-BCS results present a jump in both neutron and proton radii from 22 Na to 23 Na. However, configuration mixing calculations performed with the GCM result in a smooth increase of the neutron radius and an almost constant proton radius for the sodium isotopes. We analyze and discuss our results in the light of recent experimental data.

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