Some experiences with BEPCII SRF system operation

Tong-ming Huang; Hai-ying Lin; Yi Sun; Jian-ping Dai; Guang-wei Wang; Wei-min Pan; Zhong-quan Li; Qiang Ma; Qun-yao Wang; Guang-yuan Zhao; Zheng-hui Mi; Peng Sha

doi:10.1088/1674-1137/40/6/067001

Chinese Physics C> 2016, Vol. 40> Issue(6) : 067001 DOI: 10.1088/1674-1137/40/6/067001

Some experiences with BEPCII SRF system operation

Tong-ming Huang ^1,2,, ,
Hai-ying Lin ^1,2 ,
Yi Sun ^1,2 ,
Jian-ping Dai ^1,2 ,
Guang-wei Wang ^1,2 ,
Wei-min Pan ^1,2 ,
Zhong-quan Li ^1,2 ,
Qiang Ma ^1,2 ,
Qun-yao Wang ^1,2 ,
Guang-yuan Zhao ^1,2 ,
Zheng-hui Mi ^1,2 ,
Peng Sha ^1,2

1.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2.
Key Laboratory of Particle Acceleration Physics and Technology, IHEP, Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
The Superconducting Radio Frequency (SRF) system of the upgrade project of the Beijing Electron Positron Collider (BEPCII) has been in operation for almost 8 years. During operation, many problems have been encountered, such as excessive heating of the power couplers, frequent beam trips during high intensity colliding, false arc interlock trigger and so on. Among them, some has been solved successfully, some have been alleviated. This paper will describe some experiences with BEPCII SRF system operation, including the symptoms, causes and solutions of problems.
- superconducting radio frequency ,
- superconducting cavity ,
- power coupler ,
- accelerator

References

[1]	G. W. Wang et al, BEPCII Accelerator Design and development (Shanghai:SSMPF 2015), p. 245-250
[2]	G. W. Wang, P. Sha et al, Chinese Physics C, 32(supplement):169-171(2008)
[3]	T. M. Huang, W. M. Pan et al, Nuclear Instruments and Methods in Physics Research A, 623:895-902(2010)
[4]	Q. Y. Deng et al, in Proc. of IPAC2014 (Dresden, Germany, 2014), p. 2779-2782
[5]	T. M. Huang et al, BEPCII SRF system 2013-2014 operation review, edited by IHEP (Beijing:BEPC 18th Operation annual conference, 2014), p.75-85

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Tong-ming Huang, Hai-ying Lin, Yi Sun, Jian-ping Dai, Guang-wei Wang, Wei-min Pan, Zhong-quan Li, Qiang Ma, Qun-yao Wang, Guang-yuan Zhao, Zheng-hui Mi and Peng Sha. Some experiences with BEPCII SRF system operation[J]. Chinese Physics C, 2016, 40(6): 067001. doi: 10.1088/1674-1137/40/6/067001

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Received: 2014-11-17
Revised: 2015-11-26

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沈阳化工大学材料科学与工程学院沈阳 110142