Freiburg 2024 – wissenschaftliches Programm
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MS: Fachverband Massenspektrometrie
MS 5: Heavy and Superheavy Nuclei
MS 5.4: Vortrag
Mittwoch, 13. März 2024, 12:00–12:15, HS 3042
Characterization of the MR-ToF for JetRIS at GSI/HIM — •Christian Helmel1,3, Michael Block1,2,3, Alexandre Brizard4, Arno Claessens5, Rafael Ferrer5, Paul Fischer6, Mustapha Laatiaoui3, Nathalie Lecesne4, Danny Münzberg1,2,3, Sebastian Raeder2,3, Hervé Savajols4, Moritz Schlaich7, Lutz Schweikhard6, Matou Stemmler1, Kenneth van Beek2,7, Piet Van Duppen5, Thomas Walther7, Klaus Wendt1, and Frank Wienholtz7 — 1Johannes Gutenberg-Universität, Mainz, DE — 2GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, DE — 3Helmholtz-Institut, Mainz, DE — 4GANIL, Caen, France — 5KU, Leuven, Belgium — 6Universität Greifswald, DE — 7Technische Universität, Darmstadt, DE
At the GSI in Darmstadt and the Helmholtz Institute in Mainz laser spectroscopy is utilized to determine nuclear and atomic properties of heavy actinides with high precision. To extend the range of accessible nuclides practically independent of their half-lives and their decay mode the detection capability of the existing systems will be expanded by a Multi-Reflection Time-of-Flight Mass Separator (MR-ToF MS). This MR-ToF, built within the Da’s MR-ToF Collaboration, enables mass-selective ion detection. Currently, the MR-ToF MS is in the characterization phase establishing the resolving power and the efficiency, for example, with off-line ion sources. An example of this would be the determination of the time focus on which the resolution and the circulation rate are to be optimized. Furthermore the influence of the beam path on the detector signal has to be tested. In addition, a cooler buncher is to be integrated to determine the influence of the energy distribution on the signal and make laser spectroscopy measurements with high repetition lasers possible. In the future, the MR-ToF MS will be added in the JetRIS setup for off-line and on-line MRToF assisted laser spectroscopy.
Keywords: MR-ToF MS; JetRIS; Laserspectroscopy; Cooler Buncher