SAMOP 2021 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 2: Precision spectroscopy of atoms and ions (joint session A/Q)
A 2.20: Poster
Montag, 20. September 2021, 16:30–18:30, P
High-Resolution Microcalorimeter Measurement of X-Ray Transitions in He-like Uranium at CRYRING@ESR — •Felix Martin Kröger1,2,3, Steffen Allgeier4, Andreas Fleischmann4, Marvin Friedrich4, Alexandre Gumberidze3, Marc Oliver Herdrich1,2,3, Daniel Hengstler4, Patricia Kuntz4, Michael Lestinsky3, Bastian Löher3, Esther Babette Menz1,2,3, Philip Pfäfflein1,2,3, Uwe Spillmann3, Günter Weber1,2,3, Christian Enss4, and Thomas Stöhlker1,2,3 — 1HI Jena, Fröbelstieg 3, Jena, Germany — 2IOQ Jena, FSU Jena, Max-Wien-Platz 1, Jena, Germany — 3GSI, Planckstraße 1, Darmstadt, Germany — 4KIP, RKU Heidelberg, Im Neuenheimer Feld 227, Heidelberg, Germany
We present the first application of metallic magnetic calorimeter detectors for high resolution X-ray spectroscopy at the electron cooler of CRYRING@ESR, the low energy storage ring of GSI, Darmstadt. Within the experiment, X-ray radiation emitted as a result of recombination events between the cooler electrons and a stored beam of U 91+ ions was studied. For this purpose, two maXs detectors were positioned under observation angles of 0∘ and 180∘ with respect to the ion beam axis. This report will focus on details of the experimental setup, its performance and its integration into the storage ring environment.
This research has been conducted in the framework of the SPARC collaboration, experiment E138 of FAIR Phase-0 supported by GSI. We acknowledge substantial support by ErUM-FSP APPA (BMBF n∘ 05P19SJFAA).