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Analysis of superconducting cavity quench events at SSRF |
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| Authors: | HOU Hong-Tao LIU Jian-Fei ZHAO Yu-Bin ZHAO Shen-Jie ZHANG Zhi-Gang LUO Chen FENG Zi-Qiang MAO Dong-Qing ZHENG Xiang LI Zheng |
| Institution: | HOU Hong-Tao1,2,3 LIU Jian-Fei 1,3,1) ZHAO Yu-Bin1,3 ZHAO Shen-Jie1,3 ZHANG Zhi-Gang1,3 LUO Chen1,3 FENG Zi-Qiang1,3 MAO Dong-Qing1,3 ZHENG Xiang1,3 LI Zheng1,3 1 Shanghai Institute of Applied Physics,CAS,Shanghai 201800,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China 3 Shanghai Key Laboratory of Cryogenics & Superconducting RF Technology,China |
| Abstract: | Quench is important and dangerous to superconducting RF cavities. This paper illustrates the mechanism of quench and how a quench detector works, and analyzes the quench events happening during beam operations and cavity conditioning. We find that the quench protection is mostly triggered by some reasons such as fluctuation of cavity voltage, multipacting or arc, rather than a real cavity thermal breakdown. The results will be beneficial to optimize the operation parameters of superconducting cavities, to d... |
| Keywords: | superconducting cavity quench beam trip |
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