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Charge radius isotope shift across the N=126 shell gap

Goddard, PM, Stevenson, PD and Rios, A (2013) Charge radius isotope shift across the N=126 shell gap Physical Review Letters, 110 (3).

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We revisit the problem of the kink in the charge radius shift of neutron-rich even isotopes near the N=126 shell closure. We show that the ability of a Skyrme force to reproduce the isotope shift is determined by the occupation of the neutron 1i orbital beyond N=126 and the corresponding change it causes to deeply-bound protons orbitals with a principal quantum number of 1. Given the observed position of the single-particle energies, one must either ensure occupation is allowed through correlations, or not demand that the single-particle energies agree with experimental values at the mean-field level. © 2013 American Physical Society.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors : Goddard, PM, Stevenson, PD and Rios, A
Date : 15 January 2013
DOI : 10.1103/PhysRevLett.110.032503
Additional Information : Copyright 2013 The American Physical Society.
Depositing User : Symplectic Elements
Date Deposited : 11 Feb 2013 17:07
Last Modified : 06 Jul 2019 05:12

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