Bonn 2025 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 37: Poster – Highly Charged Ions and their Applications
A 37.4: Poster
Donnerstag, 13. März 2025, 17:00–19:00, Tent
Laser spectroscopy of highly-charged ions in SpecTrap — •Rima Schüssler1, Manuel Vogel1, Volker Hannen2, Andreas Solders3, and Thomas Stöhlker1,4,5 — 1GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt — 2Univeristät Münster — 3Uppsala Universitet — 4Helmholtz Institute Jena — 5Institute of Optics and Quantum Electronics, Friedrich Schiller University Jena
Heavy highly charged ions (HCI) provide a unique possibility to test fundamental physics in the presence of extreme electromagnetic fields. To this end, the SpecTrap experiment, located at the HITRAP facility at GSI, plans to perform laser spectroscopy of (hyper-)fine structure transitions in HCIs in a Penning trap. Measurements will include the test of bound-state QED as well as the nuclear transition in 229Th.
The HCIs are produced in the experimental storage ring at GSI and decelerated in the HITRAP facility, before being guided to the Penning trap. Within the trap they are cooled down by sympathetic cooling with laser cooled Mg+ ions. The trap has optical access for lasers as well as to collect fluorescence of the HCIs
The whole experiment is currently being redesigned and the poster will show the current status as well as future plans.