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Beard C.

PaperTitlePage
WEP42Status of the ILC crab cavity development579
 
  • G. Burt, A. Dexter
    Cockcroft Institute, Lancaster University
  • C. Beard, P. Goudket, P. McIntosh
    STFC Daresbury Laboratory
  • L. Bellantoni
    Fermilab
  • T. Grimm
    Niowave, Inc
  • Z. Li, L. Xiao
    SLAC
 
 The International Linear Collider (ILC) will require two dipole cavities to "crab" the electron and positron bunches prior to their collision. It is proposed to use two 9 cell SCRF dipole cavities operating at a frequency of 3.9 GHz, with a transverse gradient of 3.8MV/m in order to provide the required transverse kick. Extensive numerical modelling of this cavity and its couplers has been performed. Aluminium prototypes have been manufactured and tested to measure the RF properties of the cavity and couplers. In addition single cell niobium prototypes have been manufactured and tested in a vertical cryostat.