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| TUPAB076 |
High-Gradient Breakdown Studies of an X-Band Accelerating Structure Operated in the Reversed Taper Direction |
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- X.W. Wu, N. Catalán Lasheras, A. Grudiev, G. McMonagle, I. Syratchev, W. Wuensch
CERN, Meyrin, Switzerland
- M. Boronat
IFIC, Valencia, Spain
- A. Castilla, A.V. Edwards, W.L. Millar
Lancaster University, Lancaster, United Kingdom
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The results of high-gradient tests of a tapered X-band traveling-wave accelerator structure powered in reversed direction are presented. Powering the tapered structure from the small aperture, normally output, at the end of the structure provides unique conditions for the study of gradient limits. This allows high fields in the first cell for a comparatively low input power and a field distribution that rapidly falls off along the length of the structure. A maximum gradient of 130 MV/m in the first cell at a pulse length of 100 ns was reached for an input power of 31.9 MW. Details of the conditioning and operation at high-gradient are presented. Various breakdown rate measurements were conducted at different power levels and rf pulse widths. The structure was standard T24 CLIC test structure and was tested in Xbox-3 at CERN.
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Poster TUPAB076 [1.077 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB076
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| About • |
paper received ※ 19 May 2021 paper accepted ※ 12 July 2021 issue date ※ 12 August 2021 |
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