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Nuclear charge radii of ⁶²⁻⁸⁰Zn and their dependence on cross-shell proton excitations

Xie, Liang ; Yang, Xiaofei ; Bieron, Jacek ; Wraith, Calvin ; Flanagan, Kieran T. ; Garcia Ruiz, R. F. ; Gins, Wouter ; Gaigalas, Gediminas ; Godefroid, Michel ; Gorges, Christian ; Grob, L. K. ; Heylen, Hanne ; Jo̊nsson, Per ; Kaufmann, Simon ; Kowalska, Magdalena A. ; Krämer, Jörg ; Malbrunot-Ettenauer, S. ; Neugart, Rainer ; Neyens, Gerda ; Nörtershäuser, Wilfried ; Otsuka, Takaharu ; Papuga, Jasna ; Sánchez, Rodolfo M. ; Tsunoda, Yusuke ; Yordanov, Deyan Todorov ; Babcock, Carla ; Billowes, Jonathan ; Bissell, Mark L. ; Blaum, Klaus ; Cheal, Bradley ; Filippin, Livio (2022):
Nuclear charge radii of ⁶²⁻⁸⁰Zn and their dependence on cross-shell proton excitations. (Publisher's Version)
In: Physics Letters B, 797, Elsevier, ISSN 0031-9163, e-ISSN 1873-2445,
DOI: 10.26083/tuprints-00012661,
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Item Type: Article
Origin: Secondary publication
Status: Publisher's Version
Title: Nuclear charge radii of ⁶²⁻⁸⁰Zn and their dependence on cross-shell proton excitations
Language: English
Abstract:

Nuclear charge radii of ⁶²⁻⁸⁰Zn have been determined using collinear laser spectroscopy of bunched ion beams at CERN-ISOLDE. The subtle variations of observed charge radii, both within one isotope and along the full range of neutron numbers, are found to be well described in terms of the proton excitations across the Z = 28 shell gap, as predicted by large-scale shell model calculations. It comprehensively explains the changes in isomer-to-ground state mean square charge radii of ⁶⁹⁻⁷⁹Zn, the inversion of the odd-even staggering around N = 40 and the odd-even staggering systematics of the Zn charge radii. With two protons above Z = 28, the observed charge radii of the Zn isotopic chain show a cumulative effect of different aspects of nuclear structure including single particle structure, shell closure, correlations and deformations near the proposed doubly magic nuclei, ⁶⁸Ni and ⁷⁸Ni.

Journal or Publication Title: Physics Letters B
Volume of the journal: 797
Publisher: Elsevier
Collation: 5 Seiten
Classification DDC: 500 Naturwissenschaften und Mathematik > 530 Physik
Divisions: 05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 03 Mar 2022 12:32
Last Modified: 10 Mar 2022 09:47
DOI: 10.26083/tuprints-00012661
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-126613
Additional Information:

Keywords: Zinc; Nuclear charge radii; Shell closure; Nuclear deformation; Correlations

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/12661
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