Author: Bencini, V.
Paper Title Page
TUPAF086 Adaption of the HSI -RFQ Rf-Properties to an Improved Beam Dynamics Layout 938
  • M. Vossberg, L. Groening, S. Mickat, H. Vormann, C. Xiao
    GSI, Darmstadt, Germany
  • V. Bencini, J.M. Garland, J.-B. Lallement, A.M. Lombardi
    CERN, Geneva, Switzerland
  The GSI accelerator facility comprising the linear accelerator UNILAC and the synchrotron SIS18 will be used in future mainly as the injector for the Facility for Anti-Proton and Ion Research (FAIR) being under construction. FAIR requires high beam brilliance and the UNILAC's RFQ electrodes must be upgraded with respect to their beam dynamics design. The new layout is currently being conducted at CERN with the aim of adjusting the electrode voltage according to the design voltage of 123 kV. CST simulations performed at GSI assure that the resonance frequency with the new electrode geometry is recuperated through corrections of the carrier rings. Simulations on the frequency dependence of the rings shapes and their impact on the voltage distribution along the RFQ are presented.  
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