Title :
Electromagnetic instability of an intense beam in a quadrupole focusing system
Author :
Tang, Cha-Mei ; Krall, Jonathan
Author_Institution :
US Naval Res. Lab., Washington, DC, USA
Abstract :
Discrete quadrupole focusing systems are subject to the electromagnetic instability, previously found in helical quadrupole strong focusing systems. The dispersion relation is derived. Analytical growth rates are obtained. Instability boundaries are established. Numerical solutions of the dispersion relation results show that the overall stability properties are not favorable for long pulse, high-current electron beams.<>
Keywords :
beam handling equipment; particle beam diagnostics; dispersion relation; electromagnetic instability; helical quadrupole strong focusing systems; high-current electron beams; quadrupole focusing systems; Dispersion; Electromagnetic waveguides; Electron beams; Frequency; Laboratories; Lattices; Particle beams; Physics; Plasmas; Stability;
Conference_Titel :
Particle Accelerator Conference, 1991. Accelerator Science and Technology., Conference Record of the 1991 IEEE
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-0135-8
DOI :
10.1109/PAC.1991.164778
