X-ray Spectroscopy Based on Micro-Calorimeters at Internal Targets of Storage Rings

With metallic-magnetic calorimeters (MMCs), promising detectors for high-precision X-ray spectrometry in atomic and fundamental physics experiments are available. In this work, we present a pilot experiment based on a maXs-30 type MMC-spectrometer for recording X-rays emitted in collisions of lithiu...

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Bibliographic Details
Published in:Atoms 2023-01, Vol.11 (1), p.13
Main Authors: Herdrich, Marc Oliver, Hengstler, Daniel, Fleischmann, Andreas, Enss, Christian, Gumberidze, Alexandre, Hillenbrand, Pierre-Michel, Indelicato, Paul, Fritzsche, Stephan, Stöhlker, Thomas
Format: Article
Language:English
Subjects:
2s Lamb shift
atomic physics
Beryllium
Calibration
Energy
Experiments
Gas jets
high-precision X-ray spectroscopy
Lithium
metallic-magnetic calorimeters
Sensors
Spectrum analysis
Uranium
X-rays
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Summary:With metallic-magnetic calorimeters (MMCs), promising detectors for high-precision X-ray spectrometry in atomic and fundamental physics experiments are available. In this work, we present a pilot experiment based on a maXs-30 type MMC-spectrometer for recording X-rays emitted in collisions of lithium-like uranium ions with a molecular nitrogen gas jet in the internal target of the ESR storage ring of the GSI. Sample spectra have been measured, and a multitude of X-ray transitions have been unambiguously identified. As a first test and for comparison with data recorded at an EBIT, the 2s Lamb shift in lithium-like uranium was estimated.
ISSN:2218-2004
2218-2004
DOI:10.3390/atoms11010013