Status
The central challenges in the design of CLIC were performing the power extraction from the drive beam and the construction of the main beam accelerating cavities, which would provide the needed accelerating gradient of 100 MV/m for sufficiently long pulse time with the lowest possible breakdown rate. The feasibility of CLIC concerning these issues was demonstrated at the CLIC Test Facility (CTF3) in recent years, so that the conceptional design report of the CLIC accelerator is planned to be completed in 2012.
At the moment the main challenge of CLIC design is achieving the nominal beam size at the interaction point and the stabilization of the machine to the required degree.
Read more about this topic: Compact Linear Collider
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