Author: Jung, H.C.
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MOPOY039 Progress on Superconducting Linac for the RAON Heavy Ion Accelerator 935
  • H.J. Kim, H.C. Jung, W.K. Kim
    IBS, Daejeon, Republic of Korea
  The RISP (Rare Isotope Science Project) has been proposed as a multi-purpose accelerator facility for providing beams of exotic rare isotopes of various energies. It can deliver ions from proton to uranium. Proton and uranium ions are accelerated upto 600 MeV and 200 MeV/u respectively. The facility consists of three superconducting linacs of which superconducting cavities are independently phased. Requirement of the linac design is especially high for acceleration of multiple charge beams. In this paper, we present the RISP linac design, the prototyping of superconducting cavity and cryomodule.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY039  
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WEPMB035 SRF Cavities for RAON 2200
  • H.C. Jung, J. Joo, J. Lee
    IBS, Daejeon, Republic of Korea
  • R.E. Laxdal, Z.Y. Yao
    TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada
  SRF cavities of superconducting linear accelerators in RAON are developed and tested at 2K/4K. 1st Quarter Wave Resonator (QWR) and Half Wave Resonator (HWR) are fabricated by a domestic vender and tested in the TRIUMF's facility. The measured Q factors are above the required values at the operating gradients. And the predicted multipacting phenomena are observed in the test and easily conditioned. The Q factors decreased after a slow cooldown and enhanced at 4K tests by a low temperature baking. Based on these tests, modified bare cavities are newly developed, jacketed and will be tested with tuners and power couplers.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMB035  
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