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Koivisto, H. A.

Paper Title Page
MOPC140 Status of the Multipurpose Fully Superconducting ECR Ion Source 400
 
  • G. Ciavola, L. Celona, S. Gammino, F. Maimone, D. Mascali
    INFN/LNS, Catania
  • H. A. Koivisto
    JYFL, Jyvaskyla
  • R. Lang, J. Maeder, J. Rossbach, P. Spaedtke, K. Tinschert
    GSI, Darmstadt
  
  The MSECRIS source has been designed with the aim to exceed the highest currents of highly charged heavy ions available up to now. It is based on a minimum B trap made of a hexapole and three solenoids. The design magnetic field is 2.7 T for the hexapole and 4.5 T for the mirror field, in order to permit to operate not only at 28 GHz but also at higher frequency, thus increasing the plasma density and finally the beam current. Such high level of magnetic field is a challenge because of the forces arising on the superconducting coils and it largely exceeds the highest magnetic field available for existing ECRIS. A description of the source and of its preliminary results will be given. The source has been built in the frame of the European collaboration EURONS/JRA07-ISIBHI and it is now installed at the EIS testbench of GSI.