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Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes

Ruiz, R. F. Garcia ; Gorges, C. ; Bissell, M. ; Blaum, K. ; Gins, W. ; Heylen, H. ; Koenig, K. ; Kaufmann, S. ; Kowalska, M. ; Krämer, J. ; Lievens, P. ; Malbrunot-Ettenauer, S. ; Neugart, R. ; Neyens, G. ; Nörtershäuser, W. ; Yordanov, D. T. ; Yang, X. F. (2024)
Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes.
In: Journal of Physics G: Nuclear and Particle Physics, 2017, 44 (4)
doi: 10.26083/tuprints-00020417
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes
Language: English
Date: 19 March 2024
Place of Publication: Darmstadt
Year of primary publication: 2017
Place of primary publication: Bristol
Publisher: IOP Publishing
Journal or Publication Title: Journal of Physics G: Nuclear and Particle Physics
Volume of the journal: 44
Issue Number: 4
Collation: 19 Seiten
DOI: 10.26083/tuprints-00020417
Corresponding Links:
Origin: Secondary publication DeepGreen

An experimental setup for sensitive high-resolution measurements of hyperfine structure spectra of exotic calcium isotopes has been developed and commissioned at the COLLAPS beam line at ISOLDE, CERN. The technique is based on the radioactive detection of decaying isotopes after optical pumping and state selective neutralization (ROC) (Vermeeren et al 1992 Phys. Rev. Lett. 68 1679). The improvements and developments necessary to extend the applicability of the experimental technique to calcium isotopes produced at rates as low as few ions s–1 are discussed. Numerical calculations of laser-ion interaction and ion-beam simulations were explored to obtain the optimum performance of the experimental setup. Among the implemented features are a multi-step optical pumping region for sensitive measurements of isotopes with hyperfine splitting, a high-voltage platform for adequate control of low-energy ion beams and simultaneous β-detection of neutralized and remaining ions. The commissioning of the experimental setup, and the first online results on neutron-rich calcium isotopes are presented.

Uncontrolled Keywords: nuclear physics, laser spectroscopy, calcium isotopes, hyperfine structure, atomic physics
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-204175
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 19 Mar 2024 10:22
Last Modified: 19 Mar 2024 10:23
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20417
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