STATUS OF C-BAND ACCELERATING SECTION DEVELOPMENT AT THE KEKB INJECTOR LINAC

This paper reports on the recent status of the development of a C-band accelerating section for a future upgrade of the KEKB injector linac for the SuperKEKB project. Four prototypes of C-band accelerating sections were developed and installed in the KEKB linac in the summer of 2005. They have been driven by a 50-MW klystron and an rf-pulse compressor and operated for ten months as an accelerator module in the linac. This paper describes the present configuration of the accelerator module and its performance. Also given is the status of the development of a fifth prototype of the accelerating section, which was recently completed.