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arXiv 2609.12233physics.acc-ph

具有可更换阴极插头的超导射频电子枪低温模块在30 MV/m下的连续波运行

Continuous-Wave Operation at 30 MV/m of a Superconducting Radio-Frequency Gun Cryomodule with an Exchangeable Cathode Plug

T. Konomi, T. Xu, Y. Choi, K. Elliott, B. Gower, B. Tousignant, J. Wenstrom, A. Taylor, C. Compton, W. Chang, X. Du, W. Hartung, S. H. Kim, S. Miller, D. Morris… 展开作者

T. Konomi, T. Xu, Y. Choi, K. Elliott, B. Gower, B. Tousignant, J. Wenstrom, A. Taylor, C. Compton, W. Chang, X. Du, W. Hartung, S. H. Kim, S. Miller, D. Morris, M. Patil, L. Popielarski, J. Wei, Z. Yin, J. Smedley, J. Maniscalco, C. Adolphsen, M. Murphy, D. A. Gonnella, M. P. Kelly, T. Petersen, A. Arnold, S. Gatzmaga, R. Steinbrück, P. Murcek, R. Xiang, J. Teichert, J. Lewellen

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中文总结 AI 辅助

针对LCLS-II-HE低发射度注入器,开发了185.7 MHz SRF电子枪低温模块,采用可更换阴极插头系统,在30 MV/m阴极场下实现连续波运行,且插头更换后性能无退化,显著优于以往系统。

中文摘要 AI 辅助

为SLAC拟议的LCLS-II-HE低发射度注入器,开发了一种185.7 MHz超导射频(SRF)电子枪低温模块原型。该模块配备了一个与原位超高真空兼容的可更换阴极插头系统,该系统与半导体光电阴极兼容。使用铜插头时,该电子枪在30 MV/m的阴极场下实现了连续波射频运行。在腔体处于4.4 K温度下,插头移除并重新插入后,未观察到可测量的性能退化。这一结果相较于以往带可更换插头的连续波SRF电子枪系统,是一个显著的改进。

英文摘要

A prototype 185.7 MHz superconducting radio-frequency (SRF) electron gun cryomodule has been developed for the proposed LCLS-II-HE Low Emittance Injector at SLAC. It has an in-situ ultra-high-vacuum exchangeable cathode plug system compatible with semiconductor photocathodes. With a copper plug, the gun achieved continuous-wave RF operation at a cathode field of 30 MV/m. No measurable degradation was observed after plug removal and reinsertion with the cavity at 4.4 K. This result is a significant improvement over past continuous-wave SRF gun systems with exchangeable plugs.

发表机构

  • Michigan State University(密歇根州立大学)
  • SLAC National Accelerator Laboratory(SLAC国家加速器实验室)
  • Argonne National Laboratory(阿贡国家实验室)
  • Helmholtz-Zentrum Dresden-Rossendorf e.V.(德累斯顿-罗斯多夫亥姆霍兹中心)
  • Los Alamos National Laboratory(洛斯阿拉莫斯国家实验室)

机构由 AI 辅助整理,请以论文原文为准。

补充信息

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