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| MOPP028 |
Longitudinal Bunch-by-Bunch Feedback Systems for SuperKEKB LER |
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- M. Tobiyama, J.W. Flanagan, T. Kobayashi, S. Terui
KEK, Ibaraki, Japan
- J.D. Fox
Stanford University, Stanford, California, USA
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Longitudinal bunch-by-bunch feedback systems to suppress coupled bunch instabilities with minimum bunch spacing of 2 ns have been constructed in SuperKEKB LER. Through the grow-damp and excite-damp experiments with several filling patterns and the transient-domain analysis of unstable modes, the behaviors of possible impedance sources have been evaluated. The measured performance of the system, together with the performance of the related systems such as slow phase feedback to the reference RF clock are reported.
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Poster MOPP028 [0.519 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2019-MOPP028
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| About • |
paper received ※ 03 September 2019 paper accepted ※ 08 September 2019 issue date ※ 10 November 2019 |
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