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| MOPP10 |
Observation of Wakefield Effects with Wideband Feedthrough-BPM at the Positron Capture Section of the SuperKEKB Injector Linac |
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- M.A. Rehman, T. Suwada
KEK, Ibaraki, Japan
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At the SuperKEKB injector linac, positrons are generated by striking electron beam at tungsten target. The secondary electrons are also produced during positron creation and accelerated in the positron capture section. A new wideband feedthrough-beam position monitor (BPM) system was developed for synchronous detection of secondary produced e- and e+ beams with temporal separation of about 180 ps. When e+/e− bunches pass through the accelerating structure or vacuum duct of different radius, they generate wakefields. These wakefields can be directly observed with the feedthrough-BPM. A simulation study has also been carried to validate the observed wakefield effects with the feedthrough-BPM. The effects of wakefields on beam parameters will be reported in this paper.
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Poster MOPP10 [1.316 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2021-MOPP10
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| About • |
paper received ※ 06 September 2021 paper accepted ※ 15 September 2021 issue date ※ 10 October 2021 |
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