• DocumentCode
    2877979
  • Title

    Simulation of the synchro-betatron sideband instability caused by electron clouds at KEKB

  • Author

    Benedetto, E. ; Flanagan, J.W. ; Jin, H.C. ; Ohmi, K.

  • Author_Institution
    CERN, Geneva
  • fYear
    2007
  • fDate
    25-29 June 2007
  • Firstpage
    4033
  • Lastpage
    4035
  • Abstract
    Electron clouds cause a fast head-tail instability above a threshold density. Experiments at KEKB revealed the presence of a synchro-betatron sideband above the beam blow-up threshold, which indicates the presence of the head-tail instability. The sideband appears near nuy + knus, where 1 < k < 2, which differs from ordinary instability seen near nuy - nus. We study the origin of the sideband using a computer simulation.
  • Keywords
    betatrons; electron beams; particle beam bunching; synchrotrons; KEKB; beam blow-up threshold density; beam bunch; electron clouds; head-tail instability; synchro-betatron sideband instability; Clouds; Computer simulation; Electromagnetic fields; Electron beams; Particle beams; Positrons; Shape; Solenoids; Strontium; Threshold current;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Particle Accelerator Conference, 2007. PAC. IEEE
  • Conference_Location
    Albuquerque, NM
  • Print_ISBN
    978-1-4244-0916-7
  • Type

    conf

  • DOI
    10.1109/PAC.2007.4439955
  • Filename
    4439955