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| MOPP44 |
Analysis of Multi-Bunch Instabilities at Alba Using a Transverse Feedback System |
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- U. Iriso, T.F. Günzel
ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
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Since 2015 Alba is equipped with a transverse bunch by bunch feedback system, which not only damps the transverse coupled bunch instabilities in the machine, but also allows the impedance characterization of the storage ring. This characterization is produced by an internal sequence, which is programmed to excite and measure the growth and damping rates of each of the multi-bunch modes. This paper describes the measurement technique, presents the studies carried out to characterize the machine and different movable systems like the scrapers or in-vacuum undulators. Results are compared with the transverse impedance spectra obtained from computer simulations.
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Poster MOPP44 [1.255 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2021-MOPP44
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| About • |
paper received ※ 08 September 2021 paper accepted ※ 15 September 2021 issue date ※ 09 October 2021 |
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