Operational experience with crab cavities at KEKB
  KEKB was in operation from December 1988 to June 2010. The crab cavities were installed at KEKB in February 2007 and worked very stably until the end of KEKB operation. Operational experience of the crab cavities with beams is described. 
Y. Funakoshi (KEK, Tsukuba) (for the KEKB Commissioning Group)
physics.acc-ph