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Spencer, N.

Paper Title Page
THPCH100 New Fast Dither System for PEP-II 3029
 
  • S.M. Gierman, S. Ecklund, R.C. Field, A.S. Fisher, P. Grossberg, K.E. Krauter, E.S. Miller, M. Petree, K.G. Sonnad, N. Spencer, M.K. Sullivan, K.K. Underwood, U. Wienands
    SLAC, Menlo Park, California
 
  The PEP-II B-Factory uses multiple feedback systems to stabilize the orbits of its stored beams and to optimize their performance in collision [1]. This paper describes an upgrade to the feedback system responsible for optimizing the overlap of colliding beams at the interaction point (IP). The effort was motivated by a desire to shorten the response time of the feedback, particularly in the context of machine-tuning tasks. We describe the original feedback system, the design for the new one, and give a status report on the installation.