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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.

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Abstract

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 1i11/2 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.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Goddard, PMp.goddard@surrey.ac.ukUNSPECIFIED
Stevenson, PDp.stevenson@surrey.ac.ukUNSPECIFIED
Rios, Aa.rios@surrey.ac.ukUNSPECIFIED
Date : 15 January 2013
Additional Information : Copyright 2013 The American Physical Society.
Depositing User : Paul Stevenson
Date Deposited : 11 Feb 2013 17:25
Last Modified : 23 Sep 2013 19:59
URI: http://epubs.surrey.ac.uk/id/eprint/749340

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