Dresden 2020 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 12: Electron Accelerator

AKBP 12.1: Talk

Wednesday, March 18, 2020, 15:00–15:15, MOL 213

Recent Developments at the S-DALINAC* — •M. Arnold, J. Birkhan, A. Brauch, C. Caliari, M. Dutine, J. Enders, M. Fischer, R. Grewe, J. Hanten, L. Jürgensen, M. Meier, J. Pforr, N. Pietralla, F. Schließmann, M. Steinhorst, L. Stobbe, and S. Weih — IKP, TU Darmstadt

The superconducting Darmstadt linear accelerator, S-DALINAC, was set into operation at TU Darmstadt in 1991 as a twice-recirculating linac for electrons. In 2015/2016 a third recirculation beam line was added to achieve the maximum design energy of 130 MeV, higher operational stability, and to enable operation in an energy-recovery linac (ERL) mode [1,2]. Since its establishment, the S-DALINAC was mainly developed and operated by students. Also during the past year, various projects have progressed and several measurements with beam have been done. For example, a new system for the measurement of beam emittance by optical transition radiation (OTR) 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 on the status of those projects.

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

[2] M. Arnold et al., submitted to PRAB (2019).

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