Performance of a keV/u Ion Spectrometer for the FISIC Platform

The design and performances of a newly built electrostatic charge state analyzer constructed to act as a spectrometer for keV/u ions are reported. It consists of two 90∘ curved electrodes enclosed by Matsuda electrodes. This setup was recently tested using Ar9+ and Ar12+ ion beams at an energy of 10...

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Bibliographic Details
Published in:Atoms 2022-12, Vol.10 (4), p.146
Main Authors: Jolly, Mariette, Voikopoulos, Spyridon, Lamour, Emily, Méry, Alain, Bräuning-Demian, Angela, Chesnel, Jean-Yves, Gumberidze, Alexandre, Lestinsky, Michael, Macé, Stéphane, Prigent, Christophe, Ramillon, Jean-Marc, Rangama, Jimmy, Rousseau, Patrick, Schury, Daniel, Spillmann, Uwe, Steydli, Sébastien, Stöhlker, Thomas, Trassinelli, Martino, Vernhet, Dominique
Format: Article
Language:English
Subjects:
Atomic Physics
Beta decay
Electrodes
Electron capture
Electrostatic charge
Energy
Hypotheses
Ion beams
ion spectrometer
ion-atom collisions
MCP detectors
Physics
Residual gas
Sensors
Simulation
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Summary:The design and performances of a newly built electrostatic charge state analyzer constructed to act as a spectrometer for keV/u ions are reported. It consists of two 90∘ curved electrodes enclosed by Matsuda electrodes. This setup was recently tested using Ar9+ and Ar12+ ion beams at an energy of 10 keV per charge unit. This spectrometer achieves a good separation of different charge states formed by electron capture processes during collisions between primary ions and the residual gas. Thanks to these first tests, we have identified up to three different background contributions on the detector that need to be reduced or suppressed.
ISSN:2218-2004
2218-2004
DOI:10.3390/atoms10040146