Physics – Accelerator Physics
Scientific paper
2002-10-03
Physics
Accelerator Physics
9 Figures, 3 pages presented at LINAC 2002 Gyeongju Korea
Scientific paper
In an effort to locate the cause(s) of high electric-field breakdown in x-band accelerating structures, we have cleanly-autopsied (no debris added by post-operation structure disassembly) an RF-processed structure. Macroscopic localization provided operationally by RF reflected wave analysis and acoustic sensor pickup was used to connect breakdowns to autopsied crater damage areas. Surprisingly, the microscopic analyses showed breakdown craters in areas of low electric field. High currents induced by the magnetic field on sharp corners of the input coupler appears responsible for the extreme breakdown damage observed.
Harvey Shelly
Kirby R. E.
Marcelja F.
Pimpec F. Le
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