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| TUA2C2 |
Recent Advances in the CERN PS Impedance Model and Instability Simulations |
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- S. Joly
La Sapienza University of Rome, Rome, Italy
- G. Iadarola, N. Mounet, B. Salvant, C. Zannini
CERN, Meyrin, Switzerland
- M. Migliorati
INFN-Roma1, Rome, Italy
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Transverse instability growth rates in the CERN Proton Synchrotron are studied thanks to the recently updated impedance model of the machine. Using this model, macroparticle tracking simulations were performed with a new method well-suited for the slicing of short wakes, which achieves comparable performance to the originally implemented method while reducing the required number of slices by a factor of 5 to 10. Dedicated beam-based measurement campaigns were carried out to benchmark the impedance model. Until now, the model underestimated instability growth rates at injection energy. Thanks to a recent addition to the impedance model, namely the kicker magnets¿ connecting cables and their external circuits, the simulated instability growth rates are now comparable to the measured ones.
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Slides TUA2C2 [0.736 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-HB2023-TUA2C2
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| About • |
Received ※ 28 September 2023 — Revised ※ 07 October 2023 — Accepted ※ 09 October 2023 — Issued ※ 21 October 2023 |
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