Structural trends in atomic nuclei from laser spectroscopy of tin

Yordanov, Deyan T, Rodriguez, Liss V, Balabanski, Dimiter L, Bieron, Jacek, Bissell, Mark L, Blaum, Klaus, Cheal, Bradley ORCID: 0000-0002-1490-6263, Ekman, Jorgen, Gaigalas, Gediminas, Garcia Ruiz, Ronald F
et al (show 31 more authors) (2020) Structural trends in atomic nuclei from laser spectroscopy of tin. COMMUNICATIONS PHYSICS, 3 (1). 107-.

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<jats:title>Abstract</jats:title><jats:p>Tin is the chemical element with the largest number of stable isotopes. Its complete proton shell, comparable with the closed electron shells in the chemically inert noble gases, is not a mere precursor to extended stability; since the protons carry the nuclear charge, their spatial arrangement also drives the nuclear electromagnetism. We report high-precision measurements of the electromagnetic moments and isomeric differences in charge radii between the lowest 1/2<jats:sup>+</jats:sup>, 3/2<jats:sup>+</jats:sup>, and 11/2<jats:sup>−</jats:sup> states in <jats:sup>117–131</jats:sup>Sn, obtained by collinear laser spectroscopy. Supported by state-of-the-art atomic-structure calculations, the data accurately show a considerable attenuation of the quadrupole moments in the closed-shell tin isotopes relative to those of cadmium, with two protons less. Linear and quadratic mass-dependent trends are observed. While microscopic density functional theory explains the global behaviour of the measured quantities, interpretation of the local patterns demands higher-fidelity modelling.</jats:p>

Item Type: Article
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 22 Apr 2021 13:00
Last Modified: 14 Mar 2024 19:36
DOI: 10.1038/s42005-020-0348-9
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