Title: Laser and beta-NMR spectroscopy on neutron-rich magnesium isotopes
Authors: Kowalska, M ×
Yordanov, Deyan
Blaum, K
Borremans, D
Himpe, Pieter
Lievens, Peter
Mallion, Stephen
Neugart, R
Neyens, Gerda
Vermeulen, Nele #
Issue Date: Sep-2005
Publisher: Springer
Series Title: European Physical Journal A vol:25 issue:s01 pages:193-197
Abstract: Ground-state properties of neutron-rich 2931 Mg have been recently measured at ISOLDE/CERN in the context of shell structure far from stability. By combining the results of beta-NMR and hyperfine-structure measurements unambiguous values of the nuclear spin and magnetic moment of 31 Mg are obtained. I-pi = 1/2(+) and mu = -0.88355(15)mu(N) can be explained only by an intruder ground state with at least 2p-2h excitations, revealing the weakening of the N = 20 shell gap in this nucleus. This result plays an important role in the understanding of the mechanism and boundaries of the so called "island of inversion".
ISSN: 1434-6001
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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