Title :
Longitudinal instabilities in the MEB
Author :
Palkovic, John A.
Author_Institution :
Superconducting Super Collider Lab., Dallas, TX, USA
Abstract :
In this paper longitudinal instability parameters are calculated for the SSC Medium Energy Booster (MEB). Both single and multiple bunch instabilities are investigated. With a beam intensity of 1.0×10 10 the longitudinal coupling impedance threshold, |Z||(ω)/n|, is found to be ~60 Ω at the injection momentum 12 GeV/c, and 12 Ω at the ejection momentum, 200 GeV/c. Coupled bunch instability growth rates are calculated for the λ/4 cavity higher order mode (HOM) spectrum
Keywords :
particle beam diagnostics; proton accelerators; synchrotrons; λ4 cavity higher order mode spectrum; HOM spectrum; MEB; SSC Medium Energy Booster; beam intensity; coupled bunch instability growth rates; ejection momentum; injection momentum; longitudinal coupling impedance threshold; longitudinal instability parameters; multiple bunch instabilities; single bunch instabilities; Distribution functions; Equations; Impedance; Laboratories; Optical coupling; Particle beams; Physics; Radio frequency; Stability; Synchrotrons;
Conference_Titel :
Particle Accelerator Conference, 1993., Proceedings of the 1993
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-1203-1
DOI :
10.1109/PAC.1993.309619
