First application of the Laser Ion Source and Trap (LIST) for on-line 
experiments at ISOLDE

Fink, Daniel; Richter, S.D.; Bastin, B.; Blaum, Klaus; Catherall, R.; Cocolios, T.E.; Fedorov, D.V.; Fedosseev, V.N.; Flanagan, K.T.; Ghys, L.; Gottberg, A.; Imai, N.; Kron, T.; Lecesne, N.; Lynch, K.M.; Marsh, B.A.; Mendonca, T.M.; Pauwels, D.; Rapisarda, E.; Ramos, J.P.; Rossel, R.E.; Rothe, S.; Seliverstov, M.D.; Sjödin, M.; Stora, T.; Van Beveren, C.; Wendt, K.D.A.

doi:10.1016/j.nimb.2013.06.039

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First application of the Laser Ion Source and Trap (LIST) for on-line experiments at ISOLDE

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Fink, Daniel
CERN;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
Fakultät für Physik und Astronomie, Ruprecht-Karls Universität;

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Blaum, Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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http://dx.doi.org/10.1016/j.nimb.2013.06.039
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Citation

Fink, D., Richter, S., Bastin, B., Blaum, K., Catherall, R., Cocolios, T., et al. (2013). First application of the Laser Ion Source and Trap (LIST) for on-line experiments at ISOLDE. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 317(Part B), 417-421. doi:10.1016/j.nimb.2013.06.039.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-BF88-F

Abstract

The Laser Ion Source and Trap (LIST) provides a new mode of operation for the resonance ionization laser ion source (RILIS) at ISOLDE/CERN, reducing the amount of surface-ionized isobaric contaminants by up to four orders of magnitude. After the first successful on-line test at ISOLDE in 2011 the LIST was further improved in terms of efficiency, selectivity, and reliability through several off-line tests at Mainz University and at ISOLDE. In September 2012, the first on-line physics experiments to use the LIST took place at ISOLDE. The measurements of the improved LIST indicate more than a twofold increase in efficiency compared to the LIST of the 2011 run. The suppression of surface-ionized francium contaminants has enabled the first in-source laser spectroscopy of ²¹⁷Po and ²¹⁹Po.