Paper | Title | Page |
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TU5PFP058 | Construction of a 3.9 GHz Superconducting RF Cavity Module at Fermilab | 957 |
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Funding: Work supported by the U.S. Department of Energy under contract No. DE-AC02-07CH11359. Fermilab is in a collaboration with DESY to provide a cryomodule containing 4-3.9 GHz superconducting RF cavities to be placed in TTF/FLASH. The purpose of this 'Third Harmonic' module is to linearize the nonlinear beam energy-time profile produced by the 1.3 GHz accelerating gradient. The completed module has now been shipped to DESY and is awaiting cold, powered testing and installation into FLASH later this year. We report on experience with fabricating, testing, assembling, and shipping the module and its components with a focus on cavity test results. |