Title: Nuclear Spins and Moments of Ga Isotopes Reveal Sudden Structural Changes between N=40 and N=50
Authors: Cheal, B ×
Mane, E
Billowes, J
Bissell, M. L
Blaum, K
Brown, B. A
Charlwood, F. C
Flanagan, K. T
Forest, D. H
Geppert, C
Honma, M
Jokinen, A
Kowalska, M
Krieger, A
Kraemer, J
Moore, I. D
Neugart, R
Neyens, Gerda
Noertershaeuser, W
Schug, M
Stroke, H. H
Vingerhoets, Pieter
Yordanov, D. T
Zakova, M #
Issue Date: Jun-2010
Publisher: American Physical Society
Series Title: Physical Review Letters vol:104 issue:25 pages:1-5
Article number: 252502
Abstract: Collinear laser spectroscopy was performed on Ga (Z = 31) isotopes at ISOLDE, CERN. A gas-filled linear Paul trap (ISCOOL) was used to extend measurements towards very neutron-rich isotopes (N = 36-50). A ground state (g.s.) spin I = 1/2 is measured for Ga-73, being near degenerate with a 3/2(-) isomer (75 eV less than or similar to E-ex less than or similar to 1 keV). The Ga-79 g.s., with I = 3/2, is dominated by protons in the pi f(5/2) orbital and in Ga-81 the 5/2(-) level becomes the g.s. The data are compared to shell-model calculations in the f(5/2)pg(9/2) model space, calling for further theoretical developments and new experiments.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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