Dortmund 2021 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 7: Electron Accelerators

AKBP 7.1: Talk

Wednesday, March 17, 2021, 14:00–14:15, AKBPb

Recent Developments at the S-DALINAC* — •M. Arnold, J. Birkhan, A. Brauch, M. Dutine, J. Enders, M. Fischer, R. Grewe, L. Jürgensen, M. Meier, J. Pforr, 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 linac for electrons [1]. 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) [2]. Since its establishment in 1991, the S-DALINAC was mainly developed and operated by students. Also during the past year, various projects have progressed and several measurements have been done. Among them, a new system for the measurement of beam emittance by optical transition radiation was set into operation. Additional diagnostics have been commissioned or are under construction. Further upgrades of the injector section are in preparation. Several projects are addressing the ERL operation of the S-DALINAC. Simulations and dedicated diagnostics for the twice-recirculating ERL mode are under investigation. This contribution will give an overview of the status of those projects.

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

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

*Work supported by DFG (GRK 2128), BMBF (05H18RDRB2), State of Hesse (LOEWE Research Cluster Nuclear Photonics)