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| WEPLM67 |
Optimization of a Single-Cell Accelerating Structure for Rf Breakdown Test With Short Rf Pulses |
accelerating-gradient, acceleration, experiment, collider |
747 |
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- M.M. Peng, J. Shi
TUB, Beijing, People’s Republic of China
- M.E. Conde, G. Ha, C.-J. Jing, W. Liu, J.G. Power, J. Seok, J.H. Shao, E.E. Wisniewski
ANL, Lemont, Illinois, USA
- C.-J. Jing
Euclid TechLabs, LLC, Solon, Ohio, USA
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RF breakdown is one of the major limitations to achieve high gradient acceleration for future structure-based normal conducting linear colliders. Previous statistic research shows that the breakdown rate is proportional to Ea30 * tp5, which indicates that the accelerating gradient Ea could be improved by using shorter RF pulses (tp). An X-band 11.7~GHz metallic single-cell structure has been designed for RF breakdown study up to 273~MV/m using short pulses (~3ns) generated by a 400~MW power extractor at Argonne Wakefield Accelerator (AWA) facility. The structure has also been scaled to 11.424~GHz for the long pulse (100-1500~ns) breakdown study driven by a klystron and a pulse compressor at Tsinghua X-band High Power Test-stand (TPoT-X), with the gradient up to 246~MV/m with 200~MW input power.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-NAPAC2019-WEPLM67
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| About • |
paper received ※ 05 September 2019 paper accepted ※ 26 November 2019 issue date ※ 08 October 2019 |
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