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Korostelev, M.

Paper Title Page
FR5RFP040 Wake Field Simulations for the Vacuum Chamber Transitions of the ILC Damping Ring 4619
 
  • M. Korostelev, A. Wolski
    Cockcroft Institute, Warrington, Cheshire
  • N.A. Collomb, J.M. Lucas
    STFC/DL, Daresbury, Warrington, Cheshire
  • O.B. Malyshev
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire
  
 

Vacuum chamber transitions of the ILC damping rings associated with BPM insertions, vacuum ports, antechamber tapers etc, may make a significant contribution to the overall machine impedance. Since most transitions are not azimuthally symmetric, commercial 3D codes based on the finite element method have been used to compute their wake fields. The results for selected vacuum chamber components are presented in this paper, together with some estimates of the impact of the wake fields on the beam dynamics in the damping rings.