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Quint, W.

Paper Title Page
TUPLT027 Status of the HITRAP Decelerator Linac at GSI 1201
 
  • C.A. Kitegi, A. Bechtold, U. Ratzinger, A. Schempp
    IAP, Frankfurt-am-Main
  • T. Beier, L. Dahl, C. Kozhuharov, W. Quint, M. Steck
    GSI, Darmstadt
  • S. Minaev
    ITEP, Moscow
 
  Within the European Network HITRAP (heavy Ion trap) trapped and cooled higly charged ions up to U92+ will become avilable for a variety of attractive experiments in atomic physics. Heavy ions are produced, accelerated and stripped in the GSI accelerator complex and are stored in the ESR down to 4 MeV/u. To be captured in HITRAP, ions have to be decelerated to energies below 6 keV/u. The decelerator proposed to achieve these energies is a combination of an IH Drift tube cavity operating in the H11(0) mode and a RFQ. The operating frequency is 108.408MHz . The A/q range of the linac is up to 3. A very efficient deceleration by up to 11 MV along the 2.7 m long IH cavity with a rf power of 200kw is achieved by applying the KONUS beam dynamics. The deceleration from 500 A.keV down 6A.keV is provided by a 1.8 m long 4-rod RFQ.The beam dynamics as well as the cavity design of that linac will be described.The decelerator linac will be installed in the reinjection beam line and is being developed in collaboration between GSI and the Frankfurt University .