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A: Fachverband Atomphysik

A 21: Highly charged ions and their applications

A 21.8: Poster

Mittwoch, 16. März 2022, 16:30–18:30, P

DR experiment on Ne²⁺ at CRYRING@ESR — •Esther Babette Menz^1,2,3, Michael Lestinsky¹, Sebastian Fuchs^4,5, Weronika Biela-Nowaczyk⁶, Alexander Borovik Jr.⁴, Carsten Brandau^1,4, Claude Krantz¹, Gleb Vorobyev¹, Bela Arndt¹, Alexandre Gumberidze¹, Pierre-Michel Hillenbrand¹, Tino Morgenroth^1,2,3, Ragandeep Singh Sidhu¹, Stefan Schippers^4,5, and Thomas Stöhlker^1,2,3 — ¹GSI, Darmstadt — ²Helmholtz-Institut Jena — ³IOQ, Friedrich-Schiller-Universität Jena — ⁴I. Phys. Institut, Justus-Liebig-Universität — ⁵Helmholtz Forschungsakademie Hessen für FAIR, Campus Gießen — ⁶Institute of Physics, Jagiellonian University Kraków

After its move from Stockholm to GSI, CRYRING@ESR is now back in operation with previously inaccessible ion species available from the accelerator complex as well as a smaller selection from a local injector. The first merged-beam measurements of dielectronic recombination (DR) were performed at the CRYRING@ESR electron cooler since its move from Stockholm using a newly established particle detection and data acquisition setup. We present results from a scheduled experiment on low-energy DR of Ne²⁺ in May 2021. Neon is an astrophysically abundant element and absolute DR rates for low charge states are important for the modelling of cold, photoionized plasmas such as planetary nebulas. We plan to continue our DR experiments with a series of other low charge state ions which are of key importance for the quantitative analysis of astrophysical data.