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Billing, M. G.

Paper Title Page
TUPAS056 Compensation Strategy for Optical Distortions Arising from the Beam-Beam Interaction at CESR 1778
 
  • J. A. Crittenden
    Cornell University, Department of Physics, Ithaca, New York
  • M. G. Billing
    CESR-LEPP, Ithaca, New York
  
  Funding: National Science Foundation grant PHY-0202078

Following two decades of operation at 5 GeV beam energy for studies of bottom quark bound states, the Cornell Electron Storage Ring (CESR) converted to 2 GeV operation in 2001 for the purpose of investigating bound states of charm quarks. This reduction of beam energy resulted in increased relative contributions of the beam-beam force. The beam-beam interaction has been found to have considerable consequences for the optics and for the injection aperture. We describe recent developments in our modelling of the beam-beam interaction, experimental validation techniques, and investigations into compensation strategies.