Analysis of a grid window structure for RF cavities in a Muon cooling channel
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Analysis of a grid window structure for RF cavities in a Muon cooling channel

  • Author(s): Ladran, A.
  • Li, D.
  • Moretti, A.
  • Rimmer, R.
  • Staples, J.
  • Virostek, S.
  • Zisman, M.
  • et al.
Abstract

We report on the electromagnetic and thermal analysis of a grid window structure for high gradient, low frequency RF cavities. Windows may be utilized to close the beam iris and increase shunt impedance of closed-cell RF cavities. This work complements previous work presented for windows made of solid beryllium foil. An electromagnetic and thermal analysis of the thin wall tubes in a grid pattern was conducted using both MAFIA4 and ANSYS finite element analyses. The results from both codes agreed well for a variety of grid configurations and spacing. The grid configuration where the crossing tubes touched was found to have acceptable E-Fields and H-Fields performance. The thermal profiles for the grid will also be shown to determine a viable cooling profile.

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