F. Gerigk, S. Ramberger, R. Wegner, G. DeMichele , P. Tirado, M. Schuh, and R. De Prisco


  • THALES: New branch, offers integration works, possible option for test stand upgrade


  • Meeting with THALES for Linac4 ceramic windows. Preliminary specs presented based on previous projects. Window length reduced from 1m to 40cm


  • Bilbao: New technique presented to close dirft tube with a chemical bath, further studies are ongoing
  • Visit test stand at CERN:
    • Support for stand upgrade
    • Test cavies at CERN


  • Drift tube prototype production delayed
  • Exchange drift tube in hot prototype when new drift tube ready


  • Summary of visit at Novosibirsk is online

Cavity conditioning software

  • Test of code under various conditions before Easter
  • Code has to be adjusted for not preconditioned cavities


  • The different simulation results with HFSS/Microwave Studio vs Superfish/GdidL are understood (wrong setting for symmetry plane).
  • Measurements and simulation data agree very well
  • Measurements done with one remachined disk, good match with predicted values
  • Only one tuning step will be needed, save one month on construction


  • Results presented at DPG Spring Meeting 2010 Bonn
  • Started writing beam dynamic summary for a journal paper publication

-- MarcelSchuh - 29-Mar-2010

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