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Development of RF Input Coupler with A Coaxial Line Tin-Coated Against Multipactoring
Proceedings of the 2005 Particle Accelerator Conference
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In one of the normal-conducting RF cavities used in the KEKB operation, we observed an unexpected rise of the vacuum pressure at certain input-power levels with and without a beam current. From the simulation study, we identify the pressure rises as an effect of the multipactoring discharge in the coaxial line of the input coupler. According to the simulation results, we have decided to make TiN coating on the inner surface of the outer conductor to suppress the multipactoring. In this paper,
doi:10.1109/pac.2005.1590640
fatcat:dsgy33zcv5ezjh5xzbgn6cpjli