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

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons30467

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30312

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

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Zitation

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.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0014-BF88-F
Zusammenfassung
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.