18–26 Sept 2025
Ito International Research Center
Asia/Tokyo timezone

Statistical analysis of field emission for SHINE project

TUP26
23 Sept 2025, 14:30
3h
Ito International Research Center

Ito International Research Center

Tokyo
Board: TUP26
Poster Presentation MC3: Cavities Tuesday Poster Session

Speaker

Yue Zong (Shanghai Advanced Research Institute)

Description

Field emission is one of the main problems that is difficult to completely avoid in superconducting accelerator project construction, and it is usually considered to be caused by particles or foreign materials. Although careful assembly and cleaning can minimize or eliminate this issue, field emission may still occur to some extent. This report focuses on the field emission problem faced by the current SHINE project, including the field emission of bare cavities after surface treatment and of cryomodules after clean assembly. Through statistical analysis, we found some connection between processing and field emission, and we hope that these problems will be gradually solved in the future to improve the field emission-free rate of SHINE cryomodules.

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Author

Yue Zong (Shanghai Advanced Research Institute)

Co-authors

Ms Jiani Wu (Shanghai Advanced Research Institute, Chinese Academy of Sciences) Jinfang Chen (Shanghai Advanced Research Institute) Mr Lijun Lu (Shanghai Advanced Research Institute, Chinese Academy of Sciences) ShenJie Zhao (Shanghai Institute of Applied Physics) Mr Shuai Xing (Shanghai Advanced Research Institute, Chinese Academy of Sciences) Xiaohu Wang (ShanghaiTech University) Zheng Wang (Shanghai Institute of Applied Physics)

Presentation materials

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