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Maxwell, T.J.

Paper Title Page
TUP107 Longitudinal Beam Diagnostics for the ILC Injectors and Bunch Compressors 655
 
  • P. Piot
    Fermilab, Batavia
  • A. Bracke, T.J. Maxwell, D. Mihalcea, M.M. Rihaoui
    Northern Illinois University, DeKalb, Illinois
  • C.-J. Jing
    Euclid TechLabs, LLC, Solon, Ohio
  • J.G. Power
    ANL, Argonne
 
 

Funding: Work supported by US. Department of Energy, under Contract No. DE-FG02-06ER41435 with Northern Illinois University.
We present a diagnostics suite and analyze techniques for setting up the longitudinal beam dynamics in ILC electron injectors and bunch compressors. Techniques to measure first order moment and recover the first order longitudinal transfer map of the injector intricate bunching scheme are presented. Coherent transition radiation diagnotics needed to measure and monitor the bunch length downstream of the ~5 GeV bunch compressor are investigated using a vector diffraction model. We finally introduce a new diagnostics capable of measuring time-transverse correlation along a single bunch. Such a diagnostics should be valuable for controlling emittance dilution via transverse wakefield and for properly setting the crab cavities needed for maximizing luminosity for non-zero crossing angle at the interaction point.