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TY - CONF AU - Zhou, K. AU - Arnold, A. AU - Ma, S. AU - Schaber, J. AU - Teichert, J. AU - Xiang, R. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - Geometry Dependent Beam Dynamics of a 3.5-cell SRF Gun Cavity at ELBE J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - 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. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1095 EP - 1099 KW - SRF KW - cavity KW - gun KW - emittance KW - electron DA - 2019/08 PY - 2019 SN - "" SN - 978-3-95450-211-0 DO - doi:10.18429/JACoW-SRF2019-THP082 UR - http://jacow.org/srf2019/papers/thp082.pdf ER -