SAMOP 2023 – scientific programme
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A: Fachverband Atomphysik
A 27: Poster III
A 27.15: Poster
Thursday, March 9, 2023, 16:30–19:00, Empore Lichthof
First experiments at the CRYRING@ESR low-energy heavy-ion storage ring — •Michael Lestinsky for the SPARC collaboration — GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt
The CRYRING@ESR storage ring is a recent installation at the heavy ion accelerator complex of GSI, Darmstadt, and the first completed facility within the FAIR project. CRYRING@ESR provides a combination of access to isotopically pure, heavy, highly charged ions of all natural elements, even to the ultimate case of bare U92+, as well as long storage times for the circulating ions and electron cooling to improve the beam quality. The machine is now in routine operation and commenced its service for experiments proposed by the scientific community through the Stored Particle Atomic Research Collaboration (SPARC). A new generation of experiments was proposed to address precision spectroscopy in the strong fields of highly charged ions, to study the dynamics of slow atomic collisions and on nuclear reactions within e.g. the Gamow window of p-process nucleosynthesis. In the years of 2020 to 2022, the first experiments have been installed and commissioning beamtimes could be completed, studying electron-ion collisions, ion-atom collisions, and with laser-spectroscopic methods. The first data confirm the high potential of CRYRING@ESR for precision experiments with highly charged ions.
Here, we will give an overview of our facility and the research program, discuss the first experimental data and preview the planned machine upgrades and the experiments for the coming years.