Title :
Longitudinal microwave instability in lepton bunches
Author_Institution :
CERN, Geneva, Switzerland
Abstract :
The stability criterion for the longitudinal microwave instability in bunched lepton beams is derived using the mode-coupling formalism and taking into account the potential-well distortion. The new formula yields an intensity threshold which can be higher than the one given by the Keil-Schnell-Boussard approximation by a large factor. This result may explain why the classical instability threshold has been exceeded in some lepton machines.
Keywords :
beam handling techniques; particle beam bunching; particle beam diagnostics; particle beam stability; bunched lepton beams; intensity threshold; longitudinal microwave instability; mode-coupling formalism; potential-well distortion; stability criterion; Dispersion; Impedance; Microwave theory and techniques; Niobium; Protons; Radio frequency; Space charge; Stability criteria; Synchrotrons; Threshold voltage;
Conference_Titel :
Particle Accelerator Conference, 2003. PAC 2003. Proceedings of the
Print_ISBN :
0-7803-7738-9
DOI :
10.1109/PAC.2003.1289809
