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Liebermann, H.

Paper Title Page
TUPAN019 The Superconducting Linac Approach for IFMIF 1434
 
  • H. Podlech, M. Busch, H. Klein, H. Liebermann, U. Ratzinger, A. C. Sauer, R. Tiede
    IAP, Frankfurt am Main
  
  The International Fusion Material Irradiation Facility (IFMIF) which is under design will be a high flux source of fast neutrons for the development of new materials needed for future fusion reactors. IFMIF will deliver 250 mA of 40 MeV deuterons. The duty cycle is 100% and the beam power on the lithium target is 10 MW. The beam will be accelerated by two 175 MHz linacs in parallel operation. Beside the room temperature Alvarez solution an alternative design using superconducting CH-structures has been proposed. In this paper we present the superconducting approach for IFMIF with the emphasis on the beam dynamics simulations. The simulations have been performed using the LORASR code. A new space charge routing has been added to the code to increase the number of macro particles to more than 1 million. Additionally a new routine allows the simulation of randomly distributed RF and alignment errors. The optimized linac layout including error and loss studies will be presented.  
WEPMN006 Status of the Superconducting CH-structure 2056
 
  • H. Podlech, A. Bechtold, H. Liebermann, U. Ratzinger
    IAP, Frankfurt am Main
  
  Funding: GSI, BMBF 06F134I, EU 516520-FI6W, RII-CT-2003-506395, EFDA/99-507ERB5005-CT990061

The superconducting CH-structure is the first multi-cell cavity for the acceleration of low and medium energy ions and protons. A superconducting prototype cavity has been built and several cold tests have been performed at the IAP in Frankfurt. After the detection of a field emission centre the cavity will be treated by buffered chemical polishing and high pressure rinsing. Additionally the cavity is being prepared for tests in a horizontal cryostat with slow and fast tuner system. We present the status of these developments and the test results which have been gained recently.