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Marusic, A.

Paper Title Page
WGA28 IBS Suppression Lattice in RHIC: Theory and Experimental Verification 148
 
  • A.V. Fedotov, M. Bai, D. Bruno, P. Cameron, R. Connolly, J. Cupolo, A.J. Della Penna, K.A. Drees, W. Fischer, G. Ganetis, L.T. Hoff, V. Litvinenko, W. Louie, Y. Luo, N. Malitsky, G.J. Marr, A. Marusic, C. Montag, V. Ptitsyn, T. Roser, T. Satogata, S. Tepikian, D. Trbojevic, N. Tsoupas
    BNL, Upton, Long Island, New York
 
 

Intra-beam scattering (IBS) is the limiting factor of the luminosity lifetime for RHIC operation with heavy ions. Over the last few years the process of IBS was carefully studied in RHIC with dedicated IBS measurements and their comparison with the theoretical models. Recently, in order to suppress transverse IBS growth, a new lattice was designed and implemented in RHIC, which lowered the average arc dispersion by 30%. This lattice became operational during RHIC Run-8. We review the IBS suppression mechanism, IBS measurements before and after the lattice change, and comparisons with predictions.

 

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