Dortmund 2021 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 6: Diagnostics, Control and Instrumentation I

AKBP 6.6: Vortrag

Mittwoch, 17. März 2021, 15:15–15:30, AKBPa

A Diagnostics Setup for Low-Energy Beam Characterization at the Injector of the S-DALINAC* — •A. Brauch, M. Arnold, J. Enders, N. Pietralla, and S. Weih — Technische Universität Darmstadt, Darmstadt, Deutschland

A new superconducting cavity, which is optimized for capturing particles with non maximum velocity β = 0.86, will be installed at the injector of the superconducting Darmstadt electron linear accelerator (S-DALINAC [1]). For a successful operation of the upgraded injector, detailed knowledge of beam-parameters upstream the capture section is crucial. Therefore, a vertical diagnostics beamline is currently being installed. Capable of transverse and longitudinal beam parameter measurements, the setup will be used to characterize the beams from the thermionic and polarized electron guns. With the anticipated diagnostics data we aim at an acceleration in the superconducting injector linac optimized with respect to energy spread and both longitudinal and transverse beam quality. This contribution introduces the general layout of the diagnostics beamline, the current status, and the design of a transverse deflecting cavity which is planned to be installed for bunch length measurements.

[1] N. Pietralla, Nuclear Physics News, Vol. 28, No. 2, 4 (2018). *Work supported by the DFG-funded GRK 2128 "AccelencE" and by the Hessian HMWK through the LOEWE research cluster "Nuclear Photonics"