Dortmund 2021 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 6: Diagnostics, Control and Instrumentation I

AKBP 6.3: Vortrag

Mittwoch, 17. März 2021, 14:30–14:45, AKBPa

Concept of a Beam Diagnostics System for the Multi-Turn ERL Operation at the S-DALINAC* — •Manuel Dutine, Michaela Arnold, Ruben Grewe, Lars Jürgensen, Norbert Pietralla, Felix Schließmann, and Manuel Steinhorst — Institut für Kernphysik, TU Darmstadt

The S-DALINAC [1] is a thrice-recirculating linear electron accelerator operating in cw-mode at a frequency of 3 GHz. Due to the implementation of a path-length adjustment system capable of a 360° phase shift, it is possible to operate the accelerator as an energy-recovery linac (ERL) [2]. While operating the accelerator in multi-turn ERL mode, there will be two beams in the same beamline. For this mode, a non-destructive beam diagnostics system is necessary in order to measure the beam position of both, the accelerated and the decelerated beam simultaneously in the same beamline. The conceptional study of a 6 GHz resonant cavity beam position monitor will be presented together with a wire scanner measurement and a test measurement of the currently existing 3 GHz monitors as alternative solutions.

[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 through GRK 2128, BMBF through grant No. 05H18RDRB2 and by the state of Hesse through the LOEWE Research Cluster Nuclear Photonics.