München 2019 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 3: Beam Dynamics

AKBP 3.2: Vortrag

Montag, 18. März 2019, 16:45–17:00, HS 8

Beam Dynamics Simulations for the ERL Mode at the S-DALINAC* — •F. Schließmann, M. Arnold, J. Pforr, and N. Pietralla — Institut für Kernphysik, Darmstadt, Germany

The S-DALINAC [1] is a superconducting recirculating electron accelerator at TU Darmstadt. An additional recirculation beamline was installed in the years 2015-2016, so that the beam can pass the main accelerator up to four times in order to reach an energy gain of up to 130 MeV or to run the accelerator as a onefold or twofold Energy Recovery Linac (ERL) by shifting the path length of this recirculation beamline by 180^∘. Since the electrons’ kinetic energy at injection and extraction in ERL mode is less than 8 MeV (γ <17, β <0.9982) and since eight 20-cell cavities designed for β =1 are used in the main accelerator, the electrons suffer from the effect of phase slippage. In this contribution, the 6D beam dynamics simulations for ERL mode considering that phase slippage will be presented.

*Work supported by DFG through GRK 2128 and BMBF through grant No. 05H18RDRB2.

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