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LU Xiang yang, ZHAO Kui, XIANG Rong, ZHANG Bao cheng, CHEN Jia er (RF Superconducting Accelerator Laboratory, Institute of Heavy Ion Physics, Peking University, Beijing 100871, China). Research on the Beam Loading in the CW Superconducting Accelerator[J]. Atomic Energy Science and Technology, 2003, 37(5): 385-385. DOI: 10.7538/yzk.2003.37.05.0385
Citation: LU Xiang yang, ZHAO Kui, XIANG Rong, ZHANG Bao cheng, CHEN Jia er (RF Superconducting Accelerator Laboratory, Institute of Heavy Ion Physics, Peking University, Beijing 100871, China). Research on the Beam Loading in the CW Superconducting Accelerator[J]. Atomic Energy Science and Technology, 2003, 37(5): 385-385. DOI: 10.7538/yzk.2003.37.05.0385
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  • The superconducting(SC) accelerator has high quality factor Q, and the decay time of the field excited by beam is much longer than that in normal conducting cavity. Thus, beam induced field has far consequences for power dissipation and beam stability. In the paper, this interaction process is analyzed considering a point charge moving on axis through a cavity. Based on it, the beam loading in PKU SCAF has been researched. With the 10 kW input power, the optimal average current in the 9 cell SC cavity of PKU SCAF is 1.5 mA, accelerating voltage is 6.6 MV, and β factor is 4.5×10 3.
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