| Paper |
Title |
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| THP51 |
Tuning of External Q And Phase for The Cavities of A Superconducting Linear Accelerator
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724 |
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- V.V. Katalev, S. Choroba
DESY, Hamburg
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The RF power required for a certain gradient of a superconducting cavity depends on the beam current and coupling between the cavity and waveguide. The coupling with the cavity may be changed by variation of Qext. Different devices can be used to adjust Qext or phase. In this paper three stub and E-H tuners are compared and their usability for the RF power distribution system for the superconducting accelerator of the European Xray laser and the TESLA linear collider is considered. The tuners were analyzed by using the scattering matrix. Advantages and limitations of the devices are presented.
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