Beams Document 5306-v1

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Synergia simulation of space charge modes with their intrinsic Landau damping in bunched beams

Document #:
Beams-doc-5306-v1
Document type:
Talk
Submitted by:
Fernanda G Garcia
Updated by:
Fernanda G Garcia
Document Created:
10 Jan 2017, 15:54
Contents Revised:
10 Jan 2017, 15:54
Metadata Revised:
10 Jan 2017, 15:54
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Abstract:
Transverse dipole modes in bunches with space charge are simulated using the Synergia accelerator modeling package and analyzed with Dynamic Mode Decomposition. The properties of the first three space charge modes, including their shape, damping rates and tune shifts are described over the entire range of space charge strength. In the proximity of coupling resonance we have identified a new damping mechanism, driven by the modulation of the mode-particle interaction. The new mechanism opens new possibilities for stability control through manipulation of both particle and mode-particle coupling spectra.
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