Change of shell structure and magnetic moments of odd-N deformed nuclei towards the neutron drip line

Published 26 March 2010 2010 IOP Publishing Ltd
, , Citation Ikuko Hamamoto 2010 J. Phys. G: Nucl. Part. Phys. 37 055102 DOI 10.1088/0954-3899/37/5/055102

0954-3899/37/5/055102

Abstract

Examples of the change of neutron shell structure in both weakly bound and resonant neutron one-particle levels in nuclei towards the neutron drip line are exhibited. It is shown that the shell-structure change due to the weak binding may lead to the deformation of those nuclei with the neutron numbers N ≈ 8, 20, 28 and 40, which are known to be magic numbers in stable nuclei. Nuclei in the 'island of inversion' are most easily and in a simple manner understood in terms of deformation. As an example of spectroscopic properties other than single-particle energies, magnetic moments of some weakly bound possibly deformed odd-N nuclei with neutron numbers close to those traditional magic numbers are given, which are calculated using the wavefunction of the last odd particle in deformed Woods–Saxon potentials.

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10.1088/0954-3899/37/5/055102