Simple Nuclear Structure in <SUP>111-129</SUP>Cd from Atomic Isomer Shifts



Yordanov, DT, Balabanski, DL, Bissell, ML, Blaum, K, Budincevic, I, Cheal, B, Flanagan, K, Froemmgen, N, Georgiev, G, Geppert, Ch
et al (show 12 more authors) (2016) Simple Nuclear Structure in <SUP>111-129</SUP>Cd from Atomic Isomer Shifts. PHYSICAL REVIEW LETTERS, 116 (3). 032501-.

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Abstract

Isomer shifts have been determined in ^{111-129}Cd by high-resolution laser spectroscopy at CERN-ISOLDE. The corresponding mean square charge-radii changes, from the 1/2^{+} and the 3/2^{+} ground states to the 11/2^{-} isomers, have been found to follow a distinct parabolic dependence as a function of the atomic mass number. Since the isomers have been previously associated with simplicity due to the linear mass dependence of their quadrupole moments, the regularity of the isomer shifts suggests a higher order of symmetry affecting the ground states in addition. A comprehensive description assuming nuclear deformation is found to accurately reproduce the radii differences in conjunction with the known quadrupole moments. This intuitive interpretation is supported by covariant density functional theory.

Item Type: Article
Depositing User: Symplectic Admin
Date Deposited: 08 Jul 2016 08:09
Last Modified: 05 Oct 2023 09:26
DOI: 10.1103/PhysRevLett.116.032501
Open Access URL: http://journals.aps.org/prl/abstract/10.1103/PhysR...
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3002176