Threshold radius of Budker-Chirikov instability in electron and ion beams with strongly different radii

Author

Golub, Yu.Ya.

Author_Institution

Moscow Radiotechnical Inst., Russia

Volume

4

fYear

2001

fDate

2001

Firstpage

2950

Abstract

The Budker-Chirikov (1956,1965) instability (BCI) in a two-beam electron-ion system is researched. The BCI is due to the interaction of the slow cyclotron wave of the electron beam with the fast betatron wave of the ion beam. The electron-ion system consists of a high current relativistic electron beam propagating co-axially with a nonrelativistic ion beam in a drift tube. The external radii of the electron and ion beams are considered to be strongly different. The BCI increment decreases with the decrease in the ion beam radius when the electron beam radius is unchanged. The BCI resonance frequency is shifted in this case. Existing the threshold ion beam radius, smaller than that radius BCI does not develop. Now, the cause of threshold radius existing is investigated

Keywords

beam handling techniques; ion beams; particle beam stability; relativistic electron beams; BCI; BCI resonance frequency; Budker-Chirikov instability; drift tube; electron beams; external radii; fast betatron wave; high current relativistic electron beam; ion beam radius; ion beams; nonrelativistic ion beam; slow cyclotron wave; strongly different radii; threshold ion beam radius; threshold radius; two-beam electron-ion system; Artificial intelligence; Cyclotrons; Electromagnetic fields; Electron beams; Electron tubes; Ion beams; Kinetic theory; Laplace equations; Magnetic resonance; Resonant frequency;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001

Conference_Location

Chicago, IL

Print_ISBN

0-7803-7191-7

Type

conf

DOI

10.1109/PAC.2001.987965

Filename

987965