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Brennan, J.M.

Paper Title Page
WGA04 Crossing Transition at RHIC 53
 
  • V. Ptitsyn, N.P. Abreu, M. Blaskiewicz, J.M. Brennan, W. Fischer, R.C. Lee, C. Montag, S. Tepikian
    BNL, Upton, Long Island, New York
 
 

Operational experience on crossing RHIC transition as well as observed beam dynamics effects are described. The techniques to provide the successful transition crossing without beam losses and deterioration of the beam quality in both transverse and longitudinal plane are reviewed. Presently the ion beam intensity is limited by the transverse instability happenning at the transition region. It was observed that the threshold of the instability was significantly affected by the presence of the electron cloud. The results of recent studies of the intensity limiting instability are presented.

 

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