Author: Hou, H.T.
Paper Title Page
MOP029 N-Doping Studies With Single-Cell Cavities for the SHINE Project 102
 
  • J.F. Chen, H.T. Hou, Y.F. Liu, D. Wang, Y. Wang
    SARI-CAS, Pudong, Shanghai, People’s Republic of China
  • Y.W. Huang
    ShanghaiTech University, Shanghai, People’s Republic of China
  • Z. Wang
    SINAP, Shanghai, People’s Republic of China
  
  The SHINE SRF accelerator is designed to operate in CW mode with more than six hundred superconducting cavities. In order to reduce the high cost of construction and operation of the cryogenic system, high-Q cavities with nitrogen-doping technology together with tradition-ally treated large-grain cavities have been considered as two possible options. In this paper, we present N-doping studies on single-cell cavities fabricated with fine-grain and large-grain niobium.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2019-MOP029  
About • paper received ※ 23 June 2019       paper accepted ※ 29 June 2019       issue date ※ 14 August 2019  
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MOP049 Prototypes Fabrication of 1.3 GHz Superconducting Rf Components for SHINE 164
 
  • H.T. Hou, J.F. Chen, Z.Y. Ma, J. Shi, Y. Wang
    SARI-CAS, Pudong, Shanghai, People’s Republic of China
  • F.S. He
    IHEP, Beijing, People’s Republic of China
  • S.W. Quan
    PKU, Beijing, People’s Republic of China
  
  Aiming to high repetition rate hard X-ray facility, con-struction of Shanghai HIgh repetition rate XFEL aNd Extreme light facility (SHINE) project has been ap-proved. During the R & D phase, prototypes fabrication of key components of 1.3GHz superconducting rf system have been proposed, especially 1.3 GHz 9-cell niobium cavities. Here the paper will present the progress of the fabrication status and performance of the prototypes, together with the analysis of not only the quality factor and gradient of the cavities. Consideration of HOM feed-throughs and absorbers are also reported.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2019-MOP049  
About • paper received ※ 23 June 2019       paper accepted ※ 30 June 2019       issue date ※ 14 August 2019  
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MOFAB2
 SRF Status of the SHINE Project at Shanghai  
 
  • H.T. Hou
    SINAP, Shanghai, People’s Republic of China
  • J.F. Chen, X. Hu, Y. Liu, Z.Y. Ma, S. Sun, D. Wang, L. Yin, S.J. Zhao, Y.B. Zhao
    SARI-CAS, Pudong, Shanghai, People’s Republic of China
  
  The talk will mainly introduce the progress of the SHINE project in China. It is scheduled to build SHINE project in seven years which includes a superconducting rf acceleractor based on TESLA technology. From 2018, SHINE started the prototypes R&D in China, including not only the cavities fabrication, but also the surface treatment methods to reach high Q performance. The preparition of test facility will be introduced, too. The plan and latest results will be reported in the talk.  
slides icon Slides MOFAB2 [10.509 MB]  
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