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High gradient testing of an X-band crab cavity at XBOX2

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Publication date06/2015
Host publicationProceedings of the 6th International Particle Accelerator Conference: IPAC 2015
EditorsStuart Henderson, Todd Satogata, Volker R.W. Schaa
Place of PublicationGeneva
PublisherJACoW
Pages3242-3245
Number of pages4
ISBN (Print)9783954501687
<mark>Original language</mark>English

Abstract

CERN’s Compact linear collider (CLIC) will require crab cavities to align the bunches to provide effective head-on collisions. An X-band quasi-TM11 deflecting cavity has been designed and manufactured for testing at CERN’s Xbox-2 high power standalone test stand.
The cavity is currently under test and has reached an input power level in excess of 40MW, with a measured breakdown rate of better than 10-5 breakdowns per pulse.
This paper also describes surface field quantities which are important in assessing the expected BDR when designing high gradient structures.

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© 2015 CC-BY-3.0 and by the respective authors