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A: Fachverband Atomphysik

A 20: Poster II

A 20.6: Poster

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

High-resolution dielectronic recombination spectroscopy with slow cooled Be-like Pb⁷⁸⁺ ions at CRYRING@ESR — S. Fuchs^1,2, C. Brandau^1,3, E. B. Menz^3,4,5, M. Lestinsky³, A. Borovik Jr.¹, Y. N. Zhang⁶, Z. Andelkovic³, F. Herfurth², C. Kozhuharov³, C. Krantz³, U. Spillmann³, M. Steck³, G. Vorobyev³, R. Hess³, V. Hannen⁷, D. Banaś⁸, M. Fogle⁹, S. Fritzsche^4,5, E. Lindroth¹⁰, X. Ma¹¹, A. Müller¹, R. Schuch¹⁰, A. Surzhykov^12,13, M. Trassinelli¹⁴, Th. Stöhlker^3,4,5, Z. Harman¹⁵, and •S. Schippers^1,2 — ¹JLU Gießen — ²HFHF Campus Gießen — ³GSI — ⁴HI Jena — ⁵FSU Jena — ⁶Xi’an Jiaotong University — ⁷WWU Münster — ⁸JKU Kielce — ⁹Auburn University — ¹⁰Stockholm University — ¹¹IMPCAS Lanzhou — ¹²TU Braunschweig — ¹³PTB — ¹⁴INSP Paris — ¹⁵MPIK

Dielectronic recombination (DR) spectroscopy is a very successful and widely used technique to study the properties of highly charged ions. Its high precision and versatility make it an important spectroscopic tool in the physics program of the SPARC collaboration. The heavy-ion storage ring CRYRING@ESR of the international FAIR facility in Darmstadt is a very attractive machine for performing DR spectroscopy because of its electron cooler that is equipped with an ultra-cold electron beam promising highest experimental resolving power and because of the extreme versatility of the storage ring ESR as its injector. Here, we report on the first DR experiment with highly charged ions at this new facility. The comparison between experiment and theory shows that the resolving power is according to the expectations.