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Kustov, A. L.

Paper Title Page
FRPMS094 Beam Breakup Instabilities in Dielectric Structures 4300
 
  • A. Kanareykin, C.-J. Jing, A. L. Kustov, P. Schoessow
    Euclid TechLabs, LLC, Solon, Ohio
  • W. Gai, J. G. Power
    ANL, Argonne, Illinois
  
  Funding: This research is supported by the US Department of Energy

We report on the experimental and numerical investigation of beam breakup (BBU) effects in dielectric structures resulting from parasitic wakefields. The experimental program focuses on measurements of BBU in a number of wakefield devices: (a) a 26 GHz power extraction structure; (b) a high gradient dielectric wakefield accelerator; (c) a wakefield structure driven by a high current ramped bunch train for multibunch BBU studies. New beam diagnostics will provide methods for studying parasitic wakefields that are currently unavailable at the AWA facility. The numerical part of this research is based on a particle-Green's function based beam breakup code we are developing that allows rapid, efficient simulation of beam breakup effects in advanced linear accelerators. The goal of this work is to be able to compare the accurate numerical results obtained from the new BBU code with the results of the detailed experimental measurements. An external focusing system for the control of the beam in the presence of strong transverse wakefields is considered.