Combined effect of chromaticity and feedback on transverse head-tail instability

Combined effect of chromaticity and feedback on transverse head-tail instability

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The resonant interaction of click here a bunched particle beam with short-range wakefields is the cause of head-tail instability, which is a major limitation for single-bunch beam intensity in circular accelerators.There are several processes that suppress this type of instability, such as fast chromatic damping and Landau damping due to machine nonlinearity.Beam-based feedback systems (transverse dampers) provide active suppression of the beam oscillations.The combined effect of the transverse dampers and chromaticity is discussed in this article.

A brief overview elliot pecan tree for sale of theoretical and experimental studies of the head-tail instability and its mitigation is presented.Results of experimental studies of the transverse mode coupling carried out at National Synchrotron Light Source-II are compared with the theoretical model.