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R&D of BEPCII 500 MHz superconducting cavity

  • Research Paper
  • Special Issue on the First Chinese Particle Accelerator Conference (2010)
  • Published:
Science China Physics, Mechanics and Astronomy Aims and scope Submit manuscript

Abstract

Beijing Electron-Positron Collider Upgrade (BEPCII) adopts two 500 MHz superconducting cavities (SCCs) in each ring for higher accelerated gradient, higher Q and lower impedance (Wang et al. The proceedings of SRF’07). There’s no spare cavity due to the limited time and funding during BEPCII construction. If any serious trouble happened on either one of the two cavities and could not be recovered in a short time, the operation of BEPCII facility will be affected. Therefore, since 2009 three spare cavities have been fabricated in China to ensure reliable operation, and two of them have been successfully vertically tested in January and July 2011. This paper will briefly present the manufacture, post-process and vertical test performance of the 500 MHz spare cavities.

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Authors and Affiliations

  1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China

    YaPing Liu, GuangWei Wang, WeiMin Pan, Yi Sun, ZhongQuan Li, JianPing Dai, ShaoPeng Li, Kun He, GuoPing Wang, GuangYuan Zhao, Qiang Ma, HaiYing Lin, Peng Sha, QunYao Wang, Feng Qiu, FanBo Meng & Han Li

  2. AVIC Beijing Aeronautical Manufacturing Technology Research Institute, Beijing, 100007, China

    JiZhen Li & DeGui Liu

  3. Graduate University of Chinese Academy of Sciences, Beijing, 100049, China

    YaPing Liu, Feng Qiu, FanBo Meng & Han Li

Authors
  1. YaPing Liu
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  2. GuangWei Wang
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  3. WeiMin Pan
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  4. JiZhen Li
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  5. DeGui Liu
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  6. Yi Sun
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  7. ZhongQuan Li
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  8. JianPing Dai
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  9. ShaoPeng Li
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  10. Kun He
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  11. GuoPing Wang
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  12. GuangYuan Zhao
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  13. Qiang Ma
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  14. HaiYing Lin
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  15. Peng Sha
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  16. QunYao Wang
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  17. Feng Qiu
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  18. FanBo Meng
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  19. Han Li
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Corresponding author

Correspondence to YaPing Liu.

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Liu, Y., Wang, G., Pan, W. et al. R&D of BEPCII 500 MHz superconducting cavity. Sci. China Phys. Mech. Astron. 54 (Suppl 2), 178–181 (2011). https://doi.org/10.1007/s11433-011-4594-4

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  • DOI: https://doi.org/10.1007/s11433-011-4594-4

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