Experimental study of the ion trapping phenomenon in TRISTAN-AR

Author

Matsumoto, S. ; Fukuma, H. ; Ohmi, K. ; Tobiyama, M. ; Kikutani, E. ; Suetake, M. ; Satoh, K. ; Funakoshi, Y.

Author_Institution

High Energy Accel. Res. Organ., Ibaraki, Japan

Volume

1

fYear

1997

fDate

12-16 May 1997

Firstpage

306

Abstract

The betatron oscillation of the electron beam in TRISTAN AR was observed in multi-bunch operation in which every a few tens of RF buckets are selected to be filled with beam. The transverse coupled bunch instability was observed and its growth time was measured by utilizing the feedback system. The betatron sideband spectrum was distorted when most of the selected buckets were filled. The conjecture of ion trapping explains the facts that we observed

Keywords

accelerator RF systems; colliding beam accelerators; electron accelerators; electron beams; particle beam stability; particle traps; storage rings; RF buckets; TRISTAN-AR; betatron oscillation; betatron sideband spectrum; electron beam; feedback system; growth time; ion trapping phenomenon; multibunch operation; transverse coupled bunch instability; Electron accelerators; Electron beams; Electron traps; Extraterrestrial measurements; Feedback; Frequency; Ion accelerators; Ion beams; Particle beams; Time measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1997. Proceedings of the 1997

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-4376-X

Type

conf

DOI

10.1109/PAC.1997.749624

Filename

749624