Phys. Rev. ST Accel. Beams 4, 074401 (2001) [23 pages]Robinson instabilities with a higher-harmonic cavity
A radio frequency system with a fourth-harmonic “Landau” cavity suppresses coupled-bunch instabilities and increases the beam lifetime of the Aladdin electron storage ring. When the storage ring is operated with a small momentum compaction, instabilities limit the utility of the Landau cavity. Analytical modeling of instability frequencies and growth rates, simulations, and experiments suggest that the observed instabilities result from coupling between dipole and quadrupole Robinson modes. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.4.074401
DOI:
10.1103/PhysRevSTAB.4.074401
PACS:
29.27.Bd, 29.20.Dh, 41.75.Ht
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