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Corbin, G.F.

Paper Title Page
MOPEC028 Recent Triplet Vibration Studies in RHIC 516
 
  • P. Thieberger, R. Bonati, G.F. Corbin, J.P. Cozzolino, A.K. Jain, G.T. McIntyre, M.G. Minty, C. Montag, J.F. Muratore, C. Schultheiss, S. Seberg, J.E. Tuozzolo
    BNL, Upton, Long Island, New York
 
 

We report on recent developments for mitigating vibrations of the quadrupole magnets near the interaction regions of the Relativistic Heavy Ion Collider (RHIC). High precision accelerometers, geophones, and a laser vibrometer were installed around one of the two interaction points to characterize the frequencies of the mechanical motion. In addition actuators were mounted directly on the quadrupole cryostats. Using as input the locally measured motion, dynamic damping of the mechanical vibrations has been demonstrated. In this report we present these measurements and measurements of the beam response. Future options for compensating the vibrations are discussed.