Mainz 2022 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 10: Electron Accelerators and FEL’s

AKBP 10.5: Talk

Wednesday, March 30, 2022, 15:00–15:15, AKBP-H14

Recent Developments at S-DALINAC* — •M. Arnold, J. Birkhan, A. Brauch, M. Dutine, J. Enders, M. Fischer, R. Grewe, L. Jürgensen, M. Meier, N. Pietralla, F. Schließmann, D. Schneider, M. Steinhorst, L. Stobbe, and S. Weih — Institut für Kernphysik, Technische Universität Darmstadt

The superconducting Darmstadt linear accelerator S-DALINAC is a thrice-recirculating accelerator for electrons. Besides the conventional acceleration scheme with corresponding nuclear physics experiments, the accelerator of TU Darmstadt can also be operated as an energy recovery linac (ERL) [1]. Since its establishment in 1991, the S-DALINAC was mainly developed and operated by students. The latest achievement was the successful operation as a superconducting multi-turn ERL in August 2021 [2]. Dedicated diagnostics to measure both beams in the same beamline simultaneously are in preparation or have been used for first measurements. The beam quality was improved significantly by a new capture cavity. Other projects are working on further improvements of the machine. This contribution will give an overview of the status of those projects.

[1] M. Arnold et al., Phys. Rev. Accel. Beams 23, 020101 (2020).

[2] Pressemitteilung des Informationsdienst Wissenschaft (idw), "Technologischer Durchbruch bei Energieeffizienten Teilchenbeschleunigern", MI-NR. 63/2021, acc/feu.

*Work supported by DFG (GRK 2128), BMBF (05H21RDRB1), the State of Hesse within the Research Cluster ELEMENTS (Project ID 500/10.006) and the LOEWE Research Group Nuclear Photonics.