Theoretical and Practical HOM-Analysis of the Rossendorf SRF-Gun


Theoretical and Practical HOM-Analysis of the Rossendorf SRF-Gun

Arnold, A.; Murcek, P.; Teichert, J.; Xiang, R.

In SRF guns, multi-bunch effects of higher order modes (HOM​​) and their influence on beam quality are of particular interest. For this reason a method is presented that considers the accelerated motion of non-relativistic electrons to calculate their coupling impedances. The results are compared with first beam-based measurements and used to discuss a new method for HOM suppression.

Keywords: SRF gun; Higher Order Modes; coupling impedances

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