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Purpose <p>Radio frequency power supply system is an important part of Circular Positron Collider (CEPC). S-band klystron and C-band klystron supply power. More efficient S-band and C-band klystron prototypes are planned to move the project forward.</p> Methods <p>In TDR, the klystron optimizes electron beam bunch-clustering with BAC, gains favorable RF source params via simulations &amp; comparisons. The remaining part is mainly through debugging to obtain the best operating parameters.</p> Results <p>Currently, RF power supply designs for collision ring, booster ring, linear accelerator injector and damping rings are feasible. IHEP's 650&#xa0;MHz, 800&#xa0;kW klystron reaches an efficiency target of above 80%. Beam dynamics for 2860&#xa0;MHz (80&#xa0;MW) and 5720&#xa0;MHz (80 &amp; 50&#xa0;MW) klystrons are finalized and in prototyping.</p> Conclusions <p>Efficient klystron development is crucial for CEPC's success, ensuring energy transmission, beam stability, and promoting eco-friendly design. Current design transitions smoothly to EDR, a key milestone. It meets domestic science equipment needs, boosting localization and innovation.</p>

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CEPC RF power sources at TDR

  • 期刊论文

  • 发表日期：

    2025年1月23日

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  • Zu-Sheng Zhou,
  • Ou-Zheng Xiao,
  • Jing-Dong Liu,
  • Nan Gan,
  • Xin-Peng Ma,
  • Da-Yong He,
  • Xiang He,
  • Fei Li,
  • Abid Aleem,
  • Munawar Iqbal,
  • Zhi-Jun Lu,
  • Zhan-Dong Zhang,
  • Yi-Ao Wang,
  • Noman Habib,
  • Yu Liu,
  • Han Xiao,
  • Wen-Bin Gao,
  • Ji-Yuan Zhai,
  • Jing-Ru Zhang,
  • Cai Meng,
  • Jing-Yi Li,
  • Guo-Xi Pei,
  • Yun-Long Chi,
  • Yu-Ying Ding,
  • Fan-Yu Wang,
  • Xiao-Bo Zhou

摘要

Purpose

Radio frequency power supply system is an important part of Circular Positron Collider (CEPC). S-band klystron and C-band klystron supply power. More efficient S-band and C-band klystron prototypes are planned to move the project forward.

Methods

In TDR, the klystron optimizes electron beam bunch-clustering with BAC, gains favorable RF source params via simulations & comparisons. The remaining part is mainly through debugging to obtain the best operating parameters.

Results

Currently, RF power supply designs for collision ring, booster ring, linear accelerator injector and damping rings are feasible. IHEP's 650 MHz, 800 kW klystron reaches an efficiency target of above 80%. Beam dynamics for 2860 MHz (80 MW) and 5720 MHz (80 & 50 MW) klystrons are finalized and in prototyping.

Conclusions

Efficient klystron development is crucial for CEPC's success, ensuring energy transmission, beam stability, and promoting eco-friendly design. Current design transitions smoothly to EDR, a key milestone. It meets domestic science equipment needs, boosting localization and innovation.