Doubly-magic character of Sn-132 studied via electromagnetic moments of( 13)(3)Sn

We report the first measurement of the magnetic dipole and electric quadrupole moment of the exotic nucleus Sn-133 by high-resolution laser spectroscopy at ISOLDE/CERN. These, in combination with state-of-the-art shell-model calculations, demonstrate the single-particle character of the ground state...

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Published in:Physical review. C 2020, Vol.102 (5)
Main Authors: Rodriguez, L. , V, Balabanski, D. L., Bissell, M. L., Blaum, K., Cheal, B., De Gregorio, G., Ekman, Jörgen, Ruiz, R. F. Garcia, Gargano, A., Georgiev, G., Gins, W., Gorges, C., Heylen, H., Kanellakopoulos, A., Kaufmann, S., Lagaki, V, Lechner, S., Maass, B., Malbrunot-Ettenauer, S., Neugart, R., Neyens, G., Nörtershäuser, W., Sailer, S., Sanchez, R., Schmidt, S., Wehner, L., Wraith, C., Xie, L., Xu, Z. Y., Yang, X. F., Yordanov, D. T.
Format: Article
Language:English
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Summary:We report the first measurement of the magnetic dipole and electric quadrupole moment of the exotic nucleus Sn-133 by high-resolution laser spectroscopy at ISOLDE/CERN. These, in combination with state-of-the-art shell-model calculations, demonstrate the single-particle character of the ground state of this short-lived isotope and, hence, the doubly-magic character of its immediate neighbor Sn-132. The trend of the electromagnetic moments along the N = 83 isotonic chain, now enriched with the values of tin, are discussed on the basis of realistic shell-model calculations.
ISSN:2469-9985
2469-9993
DOI:10.1103/PhysRevC.102.051301