Title: Use of a Continuous Wave Laser and Pockels Cell for Sensitive High-Resolution Collinear Resonance Ionization Spectroscopy
Authors: de Groote, Ruben ×
Budincevic, Ivan
Billowes, J
Bissell, M. L
Cocolios, Thomas Elias
Farooq-Smith, Gregory James
Fedosseev, V. N
Flanagan, K. T
Franchoo, S
Garcia Ruiz, Ronald Fernando
Heylen, Hanne
Li, Rongjie
Lynch, K. M
Marsh, B. A
Neyens, Gerda
Rossel, R. E
Rothe, S
Stroke, H. H
Wendt, K. D. A
Wilkins, S. G
Yang, Xiaofei #
Issue Date: 24-Sep-2015
Publisher: American Physical Society
Series Title: Physical Review Letters vol:115 issue:13 pages:1-6
Article number: 132501
Abstract: New technical developments have led to a 2 orders of magnitude improvement of the resolution of the
collinear resonance ionization spectroscopy (CRIS) experiment at ISOLDE, CERN, without sacrificing the
high efficiency of the CRIS technique. Experimental linewidths of 20(1) MHz were obtained on radioactive
beams of francium, allowing us for the first time to determine the electric quadrupole moment of the short
lived [t1/2=22.0(5) ms]219Fr Qs=−1.21(2) eb, which would not have been possible without the advantages offered by the new method. This method relies on a continuous-wave laser and an external
Pockels cell to produce narrow-band light pulses, required to reach the high resolution in two-step
resonance ionization. Exotic nuclei produced at rates of a few hundred ions/s can now be studied with high
resolution, allowing detailed studies of the anchor points for nuclear theories.
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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