| Paper |
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| MOPGW047 |
Analysis and Simulation of the "After-Pulse" RF Breakdown |
196 |
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- X. Lin, H.B. Chen, Z.N. Liu, J. Shi, H. Zha
TUB, Beijing, People’s Republic of China
- X.W. Wu
CERN, Meyrin, Switzerland
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During the high power experiment of a single-cell standing-wave accelerating structure, it was observed that many RF breakdowns happen when the field inside cavity is decaying after the input rf pulse is off. The distribution of breakdown timing shows a peak at the moment of RF power switches off. A series of simulation was performed to study the after-pulse breakdown effect in such a standing-wave structure. A method of calculating poynting vector over time is proposed in this article to study the modified poynting vector at critical points in the cavity. Field simulation and thermal simulation were also carried out to analyse possible reasons for the after-pulse breakdown effect.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-MOPGW047
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| About • |
paper received ※ 14 May 2019 paper accepted ※ 17 May 2019 issue date ※ 21 June 2019 |
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