Author: Amberg, M.
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MOPB024 Steps Towards Superconducting CW-linac for Heavy Ions at GSI 112
 
  • M. Miski-Oglu, M. Amberg, K. Aulenbacher, W.A. Barth
    HIM, Mainz, Germany
  • K. Aulenbacher
    IKP, Mainz, Germany
  • W.A. Barth, V. Gettmann, M. Heilmann, S. Yaramyshev
    GSI, Darmstadt, Germany
  • W.A. Barth, S. Yaramyshev
    MEPhI, Moscow, Russia
  • M. Basten, M. Busch, H. Podlech, M. Schwarz
    IAP, Frankfurt am Main, Germany
 
  A superconducting (sc) cw-Linac at GSI should ensure competitive production of Super Heavies in the future. Further R&D for this cw-Linac, a so called 'Advanced CW-Demonstrator', with maximal energy of 3.5 MeV/u is ongoing. As a first step, the demonstrator project with one sc CH-cavity is near its completion, the beam tests are scheduled for mid-summer 2017. The completion of the 'Advanced CW-Demonstrator' includes successive construction of two new cryogenic modules comprising four CH-cavities and two solenoids each. In this contribution the layout of the cryomodules and the Helium distribution system are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2017-MOPB024  
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TUPB024 Performance Tests of the Superconducting 217 MHz CH Cavity for the CW Demonstrator 440
 
  • F.D. Dziuba, M. Amberg, K. Aulenbacher, W.A. Barth, V. Gettmann, M. Miski-Oglu
    HIM, Mainz, Germany
  • M. Amberg, M. Basten, M. Busch, H. Podlech, M. Schwarz
    IAP, Frankfurt am Main, Germany
  • K. Aulenbacher
    IKP, Mainz, Germany
  • W.A. Barth, M. Heilmann, A. Schnase, S. Yaramyshev
    GSI, Darmstadt, Germany
  • W.A. Barth, S. Yaramyshev
    MEPhI, Moscow, Russia
 
  Regarding the future research program of super heavy element (SHE) synthesis at GSI, high intense heavy ion beams above the coulomb barrier and high average particle currents are highly demanded. The associated beam requirements exceed the capabilities of the existing Universal Linear Accelerator (UNILAC). Besides the existing GSI accelerator chain will be exclusively used as an injector for FAIR (Facility for Antiproton and Ion Research) providing high power heavy ion beams at a low repetition rate. As a consequence a new dedicated superconducting (sc) continuous wave (cw) linac is highly demanded to keep the SHE research program at GSI competitive on a high level. In this context the construction of the first linac section, which serves simultaneously as a prototype to demonstrate its reliable operability has been finished at the end of 2016. The so called demonstrator cryomodule comprises two sc 9.3 T solenoids and a sc 217 MHz crossbar-H-mode (CH) cavity with 15 equidistant accelerating gaps. Furthermore, the performance of the cavity has been successfully tested at cryogenic temperatures. The results of these tests are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2017-TUPB024  
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