Title: Ultrasensitive radioactive detection of collinear-laser optical-pumping - measurement of the nuclear-charge radius of Ca-50
Authors: Vermeeren, L ×
Silverans, Roger
Lievens, Peter
Klein, A
Neugart, R
Schulz, C
Buchinger, F #
Issue Date: Mar-1992
Publisher: American physical soc
Series Title: Physical Review Letters vol:68 issue:11 pages:1679-1682
Abstract: We report the first application of an ultrasensitive detection scheme in on-line collinear-laser spectroscopy. It is based on radioactive detection of optical depopulation pumping, using state-selective charge exchange as an intermediate step. This extends the calcium isotope shift measurements beyond the f7/2 shell closure. The extracted Ca-50 mean-square charge radius constitutes the first experimentally determined one of a short-lived neutron-rich isotope beyond the N = 28 shell closure. The steep increase in radius after the doubly magic Ca-48 nucleus indicates a strong coupling between the P3/2 neutrons and the core protons.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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