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| WEOAB3 |
RF Quadrupole Structures for Transverse Landau Damping in Circular Accelerators |
2516 |
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- M. Schenk, X. Buffat, L.R. Carver, A. Grudiev, K.S.B. Li, E. Métral, K. Papke
CERN, Geneva, Switzerland
- A. Maillard
ENS, Paris, France
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The beams required for the high luminosity upgrade of the Large Hadron Collider (HL-LHC) and other potential future circular colliders (FCC) call for efficient mechanisms to suppress transverse collective instabilities. In addition to octupole magnets installed for the purpose of Landau damping in the transverse planes, we propose to use radio frequency (rf) quadrupole structures to considerably enhance the aforementioned stabilising effect. By means of the PyHEADTAIL macroparticle tracking code as well as analytical studies, the stabilising mechanism introduced by an rf quadrupole is studied and explained. It is, furthermore, compared to the influence of the second order chromaticity on transverse beam stability.
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Slides WEOAB3 [2.537 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-WEOAB3
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