Title: Nuclear spins, magnetic moments, and quadrupole moments of Cu isotopes from N = 28 to N = 46: Probes for core polarization effects
Authors: Vingerhoets, Pieter ×
Flanagan, K.T.
Avgoulea, T
Billowes, J.
Bissell, Mark
Blaum, K
Brown, B.A
Cheal, B
De Rydt, Marieke
Forrest, D.H
Geppert, Ch
Honma, M
Kowalska, M
Kramer, J
Krieger, A
Mane, E
Neugart, R
Neyens, Gerda
Noertershausser, W
Otsuka, T
Schug, M
Stroke, H.H.
Tungate, G
Yordanov, G #
Issue Date: 17-Dec-2010
Publisher: Published for the American Physical Society by the American Institute of Physics
Series Title: Physical Review C, Nuclear Physics vol:82 issue:6
Article number: 064311
Abstract: Measurements of the ground-state nuclear spins and magnetic and quadrupole moments of the copper isotopes
from 61Cu up to 75Cu are reported. The experiments were performed at the CERN online isotope mass separator
(ISOLDE) facility, using the technique of collinear laser spectroscopy. The trend in the magnetic moments
between the N = 28 and N = 50 shell closures is reasonably reproduced by large-scale shell-model calculations
starting from a 56Ni core. The quadrupole moments reveal a strong polarization of the underlying Ni core when
the neutron shell is opened, which is, however, strongly reduced at N = 40 due to the parity change between
the pf and g orbits. No enhanced core polarization is seen beyond N = 40. Deviations between measured and
calculated moments are attributed to the softness of the 56Ni core and weakening of the Z = 28 and N = 28 shell
ISSN: 0556-2813
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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