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HK: Fachverband Physik der Hadronen und Kerne
HK 72: Poster
HK 72.55: Poster
Thursday, March 14, 2024, 17:15–18:45, HBR 14: Foyer
Test of a spatially-resolving fluorescence detection region for collinear laser spectroscopy — •Pascal Gabel, Bernhard Maass, Patrick Müller, Laura Renth, and Wilfried Nörtershäuser — Institut für Kernphysik, TU Darmstadt, 64289 Darmstadt, Germany
Collinear laser spectroscopy is a well-established method to determine nuclear properties such as nuclear charge radii and nuclear electro-magnetic moments. For the extraction of these properties from fluorescence spectra, effects that change the shape of the spectrum, such as photon recoils or optical population transfer between hyperfine structure states, need to be well understood.
We present a fluorescence detection region (FDR) comissioned at the collinear apparatus for laser spectroscopy and applied physics (COALA) at TU Darmstadt that allows us to probe the fluorescence spectrum at different positions inside the FDR. For this, measurements of the 5s 2S1/2→ 5p 2P1/2 electronic transition in Sr+ ions were performed. The spatial resolution of the FDR was tested in a separate offline test station. First results will be presented.
This work has been supported by BMBF under contract # 05P21RDFN1.
Keywords: Highly charged ions; Laser spectroscopy; Fluorescence detection; Accelerators; COALA