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Determining the cavity gradient and the Q-value performance parameter of the superconducting cavity are some of the major focuses for ILC Working Group 5. "We had a very hot discussion on whether we start with 30 MV/m or 35 MV/m gradient as a start of the ILC operation, among other things," says Prof. Kenji Saito, an accelerator physicist from KEK. "The good thing about this workshop is that the people who are actually working on the cavities around the world get together and are reaching a consensus on what can and cannot be agreed."
"This way, we clearly recognize the different approaches of each R&D effort from each region and respect the way what other people think," he adds. "I am impressed by the way session organizers have summarized the draft documents well before the workshop starts. I really appreciate their efforts."