Germetry dependent beam dynamics of a 3.5-cell SRF Ggun cavity at ELBE


Germetry dependent beam dynamics of a 3.5-cell SRF Ggun cavity at ELBE

Zhou, K.; Arnold, A.; Teichert, J.; Xiang, R.; Ma, S.; Schaber, J.

In order to optimize the next generation SRF gun at HZDR ELBE radiation source, the impact on beam dynamics from the SRF cavity geometry needs to be investigated. This paper presents an analysis on the electromagnetic fields and output electron beam qualities, by changing the geometry parameters of a 3.5-cell SRF gun cavity. The simulation results show the higher electric field ratio in the first half cell to the TESLA like cell, the better beam parameters we can obtain, which, however, will also lead to a higher Emax/E0 and Bmax/E0.

Keywords: SRF gun; superconducting cavity

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