Göttingen 2025 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 1: Electron Accelerators I

AKBP 1.2: Gruppenbericht

Montag, 31. März 2025, 17:15–17:45, ZHG004

Recent Developments at S-DALINAC* — •Michaela Arnold, Adrian Brauch, Lisa Dingeldein, Manuel Dutine, Joachim Enders, Ruben Grewe, Katharina E. Ide, Lars Jürgensen, Maximilian Meier, Fatemeh Sadat Moujani Ghomi, Clemens M. Nickel, Norbert Pietralla, Vincent Pruy, Lukas Reichel, Valentin Reichenbach, Felix Schliessmann, Dominic Schneider, Benjamin Thormann, and Tim Zimmermann — Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany

The superconducting Darmstadt linear accelerator S-DALINAC is a thrice-recirculating accelerator for electrons [1]. Besides the conventional acceleration scheme with corresponding nuclear physics experiments, the accelerator can also be operated as an energy recovery linac (ERL) [2]. Since its establishment in 1991, the S-DALINAC was mainly developed and operated by students. Multiple projects to improve the overall beam quality or the operational capabilities of the accelerator are currently in progress: A streak camera for investigating the bunch length, upgrades to the beamline and diagnostics system, support of beam tuning by machine learning techniques and more. A laser Compton backscattering setup is close to its commissioning. Lessons learned from the ERL operation are included in a design study for a future ERL. This contribution gives an overview.

[1] N. Pietralla, Nucl. Phys. News, Vol. 28, No. 2, 4 (2018).

[2] F. Schliessmann et al., Nat. Phys. 19, 597-602 (2023).

*Work supported by DFG (GRK 2128, IRTG 2891) and State of Hesse (Research Cluster ELEMENTS (Project ID 500/10.006)).

Keywords: Facility report; ERL; Beam diagnostics; Laser Compton backscattering; S-DALINAC