Transverse coherent instabilities in storage rings with harmonic cavities

F. J. Cullinan, Ryutaro Nagaoka, G. Skripka, Pedro Fernandes Tavares

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

Many current and future synchrotron light sources employ harmonic cavities to lengthen the electron bunches in order to reduce the emittance dilution caused by intrabeam scattering. In some cases, the harmonic cavities may be tuned to fulfill the flat potential condition. For this condition, a large increase in the threshold currents of transverse coupled-bunch instabilities has been predicted and recently, the physical content behind this stabilisation has been better understood. With this in mind, an investigation is made into the effectiveness of harmonic cavities for different machines. Frequency domain computations employing Laclare's eigenvalue method have been used to investigate the influence of several machine parameters and the results are presented.

Original languageEnglish
Title of host publicationIPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference
PublisherJACoW Publishing
Pages1061-1064
Number of pages4
ISBN (Electronic)9783954501472
Publication statusPublished - 2016
Event7th International Particle Accelerator Conference, IPAC 2016 - Busan, Korea, Republic of
Duration: 2016 May 82016 May 13

Conference

Conference7th International Particle Accelerator Conference, IPAC 2016
Abbreviated titleIPAC'16
Country/TerritoryKorea, Republic of
CityBusan
Period2016/05/082016/05/13

Subject classification (UKÄ)

  • Subatomic Physics

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