Author: Huang, Y.L.
Paper Title Page
MOPB007 Design of the Superconducting Quarter Wave Resonators for HIAF 59
 
  • C. Zhang, L. Chen, Q.W. Chu, H. Guo, Y. He, S.C. Huang, Y.L. Huang, T.C. Jiang, L. Li, Y.M. Li, F. Pan, T. Tan, R.X. Wang, A.D. Wu, Q.J. Wu, P.R. Xiong, W.M. Yue, S.H. Zhang, S.X. Zhang
    IMP/CAS, Lanzhou, People's Republic of China
 
  A heavy ion accelerator facility (HIAF) is under development in the Institute of Modern Physics. For the low energy superconducting accelerating section, two types of quarter wave resonators with frequency of 81.25 MHz and β of 0.05 and 0.10 have been proposed. The electro-magnetic design has been optimized in order to reach the high accelerating voltage, and the optimization also included the drift tube face tilting to compensate for the beam steering caused by the asymmetry in the quarter wave resonator geometry.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2017-MOPB007  
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MOPB074 Analysis of Higher Order Modes of the Superconducting Cavities for the China-ADS Injector-II in IMP 231
 
  • C. Zhang, L. Chen, Y. He, S.C. Huang, Y.L. Huang, T.C. Jiang, Y.M. Li, F. Pan, R.X. Wang, A.D. Wu, Q.J. Wu, W.M. Yue, S.H. Zhang, S.X. Zhang
    IMP/CAS, Lanzhou, People's Republic of China
 
  Funding: funded by Natural Science Foundation of China, No.11505253
The influence of the higher order modes on the beam dynamics and the cryogenic losses has been studied for the superconducting section of the CIADS project in this paper. In addition, the necessity of HOM dampers in the Superconducting (SC) cavities is discussed.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2017-MOPB074  
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TUPB040 Design and Optimization of Medium and High Beta Superconducting Elliptical Cavities for the CW Linac in CIADS 478
 
  • Y.L. Huang, L. Chen, Y. He, Y.M. Li, S.H. Zhang
    IMP/CAS, Lanzhou, People's Republic of China
 
  Superconducting technology is adopted in the main accelerating section of the CW Linac in China Initiative Accelerator Driven System (CIADS) to accelerate the 10 mA proton beam from 2.1 MeV up to 1.5 GeV. The high energy section of the superconducting linac is composed of two families of SC elliptical cavities with optimum beta 0.62 and 0.82 for the acceleration of proton beam from 178 MeV to 1.5 GeV. In this paper, the design and optimization of the 650 MHz medium and high beta elliptical cavities are discussed, including the RF design, multipacting analysis, high order modes (HOMs) analysis, generator RF power calculation, and the mechanical design.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2017-TUPB040  
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