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Borland, M.

Paper Title Page
TUPP032 Trajectory Jitter and Single Bunch Beam Break Up Instability 1607
 
  • S. Di Mitri, P. Craievich
    ELETTRA, Basovizza, Trieste
  • M. Borland
    ANL, Argonne, Illinois
  • A. Zholents
    LBNL, Berkeley, California
 
  This paper addresses stability issues related to control of the beam break up (BBU) instability in the FERMI@Elettra linac using local trajectory bumps. Analytical study and simulations using the Elegant code are presented. Three different parameters have been used to characterize the BBU, i.e. the projected emittance, the bunch head-to-tail deviation, and the Courant-Snyder invariant for the slice centroid. It is shown that shot-to-shot trajectory jitter in the injector affects the efficiency of the control of the BBU.