Author: Jang, J.-H.
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MOPOY038 Studies for Tuning Algorithm of Superconducting Cavity Amplitude and Phase in the RAON Accelerator 932
  • H. Jin, J.-H. Jang
    IBS, Daejeon, Republic of Korea
  The RAON accelerator utilizes the low energy and high energy superconducting linacs for the acceleration of the stable ion beams and the rare isotope beams. The low energy superconducting linac is composed of the quarter-wave resonator (QWR) and the half-wave resonator (HWR) cavities, and the high energy superconducting linac consists of two kinds of single-spoke resonator (SSR) cavities. In the beam commissioning, the tuning of these superconducting cavities is a significant issue to achieve the targeted beam energy and to avoid the deterioration of the beam quality. In this paper, we will present the tuning program based on the phase scan tuning algorithm for the superconducting cavity amplitude and phase in the RAON accelerator and describe the simulation results.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY038  
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THPMB028 Beam Optics of 180-degree Bending Section including a Charge Stripper 3291
  • J.-H. Jang, H. Jin, J. Song
    IBS, Daejeon, Republic of Korea
  Funding: This work was supported by the Rare Isotope Science Project of Institute for Basic Science funded by Ministry of Science, ICT and Future Planning and National Research Foundation of Korea.
The linac of RISP (Rare Isotope Science Project) includes a charge stripper to obtain better acceleration efficiency. It is located after the lower energy part of the superconducting linac which accelerates 2 charge states, 33 and 34 of uranium beams to about 18 MeV/u. After the charge stripper, 5 charge states around 79 are selected and transported into the higher energy part of the linac through a 180-degree bending section. This work focused on the charge stripper effects on the beam optics in the bending section.
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPMB028  
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