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Alternative Design: Coax TM110-pi coupler rejects operating mode using field symmetry.

LOM/SOM. LOM/SOM. WG: TM110-0. HOM. Coax: TM110-pi. HOM. 800MHz LHC Crab Cavity Alternative Design. Alternative Design: Coax TM110-pi coupler rejects operating mode using field symmetry. LOM/SOM coupler rejects operating mode using electric field node.

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Alternative Design: Coax TM110-pi coupler rejects operating mode using field symmetry.

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  1. LOM/SOM LOM/SOM WG: TM110-0 HOM Coax: TM110-pi HOM 800MHz LHC Crab Cavity Alternative Design Alternative Design: • Coax TM110-pi coupler rejects operating mode using field symmetry. • LOM/SOM coupler rejects operating mode using electric field node. • HOM coupler rejects operating mode using filter. The center conductor will be slightly bent so that the rotating flange can adjust the tip of the center conductor to lie exactly along the E-field node of the operating mode field. L. Xiao, LHC-CC alternative design results, Feb.28, 2009

  2. Operating Mode E-BC E-field B-field L. Xiao, LHC-CC alternative design results, Feb.28, 2009

  3. Monopole and Vertical Dipole Modes L. Xiao, LHC-CC alternative design results, Feb.28, 2009

  4. Horizontal Dipole Mode L. Xiao, LHC-CC alternative design results, Feb.28, 2009

  5. Multipacting in the Cell TM110-zero mode at horizontal plane: F=800.18MHz, E-BC E-field L=0.5m Assuming two-cell crab cavity provides VT=2.5MV, B-field L. Xiao, LHC-CC alternative design results, Feb.28, 2009

  6. Ez=0~5.6MV, Resonant Electrons in 800 MHz Cell MP happened on disk areas 2-points MP, 0.5,1, 1.5 order L. Xiao, LHC-CC alternative design results, Feb.28, 2009

  7. Resonant Trajectories in 800 MHz Cell Different Ez range dEz=0.1MV/m L. Xiao, LHC-CC alternative design results, Feb.28, 2009

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