SAMOP 2023 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 13: Poster II

MO 13.18: Poster

Mittwoch, 8. März 2023, 16:30–19:00, Empore Lichthof

A Reaction Microscope for the Cryogenic Storage Ring CSR — •Felix Herrmann, David V. Chicharro, Robert Moshammer, Claus Dieter Schröter, and Thomas Pfeifer — Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany

For studying molecular break-up reactions on slow and cold molecular ions and clusters at the cryogenic storage ring CSR, we have designed a dedicated in-ring reaction microscope (ReMi). The ReMi is a combined electron and ion spectrometer for energy and angular resolved particle detection created in an elementary collision process. This spectrometer will deliver kinematically complete data on the reaction dynamics. The implementation into the storage ring of this first cryogenic ReMi worldwide started in May 2022. Its finalization is expected for spring 2023. Subsequently, first fundamental in-ring experiments, reactions like electron transfer, molecular break-up or proton transfer at room temperature conditions, followed by measurements at cryogenic conditions (< 10 K) in a future beamtime period are envisaged. The setup of the complex apparatus, in detail one of the MCP detectors with time and position sensitive delay-line read-out along with the design adaptation for operation at cryogenic temperatures, the supersonic gas jet and laser incouplings, as well as first test measurements will be shown.