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| TUPAB015 |
Beam Loading Compensation of APS Cavity with Off-Crest Acceleration in ILC e-Driven Positron Source |
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- M. Kuriki, S. Konno, H. Nagoshi
HU/AdSM, Higashi-Hiroshima, Japan
- T. Omori, J. Urakawa, K. Yokoya
KEK, Ibaraki, Japan
- T. Takahashi
Hiroshima University, Graduate School of Science, Higashi-Hiroshima, Japan
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In E-Driven positron source of ILC, the generated positron is captured by RF accelerator by APS cavity. The positron is initially placed at the deceleration phase and gradually slipped down to acceleration phase. Because the beam-loading is expected to be more than 1A with a multi-bunch format, the compensation is essential to obtain uniform intensity over the pulse. A conventional method for the compensation is controlling the timing, but it doesn’t work in off-crest case. In this manuscript, we discuss the compensation with the phase and amplitude modulation on the input RF.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB015
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| About • |
paper received ※ 19 May 2021 paper accepted ※ 27 July 2021 issue date ※ 26 August 2021 |
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