Simulations of higher order modes in the ACC39 module of FLASH

I. R. R. Shinton; R. M. Jones; Z. Li; P. Zhang

Simulations of higher order modes in the ACC39 module of FLASH

Accelerator Physics 2012-05-22 v2

Authors: I. R. R. Shinton , R. M. Jones , Z. Li , P. Zhang

Abstract

This study is focused on the development of a HOM-based BPM system for the ACC39 module currently installed and in operation at FLASH. A similar system is anticipated to be installed at XFEL. Coupled inter-cavity modes are simulated together with a limited band of trapped modes. A suite of finite element computer codes (including HFSS and ACE3P) and globalised scattering matrix calculations (GSM) are used to investigate the modes in these cavities with a view to providing guidance on their use as a cavity beam diagnostic.

Keywords

higher order modes beam position monitor acc39 module flash xfel finite element simulation scattering matrix cavity beam diagnostic

Cite

@article{arxiv.1205.3935,
  title  = {Simulations of higher order modes in the ACC39 module of FLASH},
  author = {I. R. R. Shinton and R. M. Jones and Z. Li and P. Zhang},
  journal= {arXiv preprint arXiv:1205.3935},
  year   = {2012}
}

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