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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 7: Electron Accelerators

AKBP 7.4: Vortrag

Mittwoch, 17. März 2021, 14:45–15:00, AKBPb

Simulations and Measurements of the Emittance of the S-DALINAC’s Electron Beam after its Injector Beamline* — •Lennart Stobbe, Michaela Arnold, Lars Jürgensen, Jonas Pforr, and Norbert Pietralla — IKP, TU Darmstadt, Germany

The injector section of the superconducting electron-linear-accelerator S-DALINAC has two different electron sources, a thermionic gun and a source of spin-polarized electrons [1]. The current chopper system consists of a 3 GHz normal-conducting pill-box cavity, a steering magnet and an aperture plate with a diameter of two millimeters. The injector beam-line was studied with respect to further optimizations of the resulting beam quality. Modifications of the current chopper system were investigated irrespective of constraints related to the source of polarized electrons. The results of simulations with the program Astra [2] will be presented. Also emittance measurements behind the injector beamline will be shown and compared to the simulations of the current setup.
[1] N. Pietralla, Nuclear Physics News, Vol. 28, No. 2, 4 (2018).
[2] A Space Charge Tracking Algorithm (ASTRA)
http://www.desy.de/ mpyflo/
*Work supported by DFG through GRK 2128 and by the state of Hesse through the LOEWE Research Cluster Nuclear Photonics

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DPG-Physik > DPG-Verhandlungen > 2021 > Dortmund