Title :
Effects of space charge and nonlinearities on collective instabilities of a long bunch
Author :
Fedotov, A.V. ; Wei, J. ; Danilov, V.
Author_Institution :
Brookhaven Nat. Lab., Upton, NY, USA
Abstract :
We start with discussion of the effects of space charge and nonlinearities on the transverse microwave instability. A possibility of Landau damping with octupole correctors, using an example of the SNS ring, is explored. We also discuss the required strength of such nonlinearities for a bunched beam in the presence of the space-charge tune spread, as well as their effect on dynamic aperture and emittance dilution.
Keywords :
neutron sources; particle beam bunching; particle beam dynamics; particle beam stability; proton accelerators; space charge; storage rings; Landau damping; SNS ring; bunched beam; collective instabilities; dynamic aperture; emittance dilution; long bunch; nonlinearities; octupole correctors; space-charge tune spread; transverse microwave instability; Apertures; Application software; Computer simulation; Damping; Frequency; Impedance; Magnets; Space charge; Stability; Synchrotrons;
Conference_Titel :
Particle Accelerator Conference, 2003. PAC 2003. Proceedings of the
Print_ISBN :
0-7803-7738-9
DOI :
10.1109/PAC.2003.1289804
