The Simulation and Experiment Study of a 4 Rod RFQ RF Property

ZHU Kun; GUO Zhi-Yu; FANG Jia-Xun; GAO Shu-Li; SONG Xiang-Xiang

Chinese Physics C> 2005, Vol. 29> Issue(5) : 512-516

The Simulation and Experiment Study of a 4 Rod RFQ RF Property

Institute of Heavy Ion Physics,Peking University,Beijing 100871,China

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Abstract：
A 4-rod RFQ cavity was simulated with MAFIA code for the design of a high current, high duty factor RFQ accelerator. The influence of distance, wide, height and shape of stems on the cavity's RF property were studied. The structure parameters of the RFQ cavity were optimized by the requirements of the shunt impedance and the electromagnetic field distribution in the RFQ accelerator. Based on the simulation result, then a cold cavity model was built, measured and the result was compared with the simulation.

References

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.Letchford A,Schempp A.A Comparision of 4-Rod and 4-Vane RFQFields.Proc.of EPAC 1998.12042.Vormann H,Schempp A,Winschuh E et al.RF Tuning of The ISIS2RFQ.Proc.of EPAC 2000.8693.FANGJ X,Schempp A.Equivalent Circuit of a 42Rod RFQ.Proc.ofEPAC 2002.13314.Bricault P G.Simulation of the Triumf Split2Ring 42ROD RFQ withMafia.Proc.of PAC 95.11255.Bechtold A.Design Studies of an RFQ2injector of Medicine2Synchrotron.Proc.of PAC 2001.24856.LUO Zi-Hua,ZHOU Li-Nong,DING Yi et al.Calculation of BPL4-Rod RFQ Carity.and Field Measurement and Tune of Cold Model The 2nd Accelerator Technology Conference.1998.324 (in Chinese)(罗紫华,周立农,丁义等.BPL四杆型RFQ 结构计算及模型装置场分布测量与调整.第二届全国加速器技术学术交流会论文集.1998.324)

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ZHU Kun, GUO Zhi-Yu, FANG Jia-Xun, GAO Shu-Li and SONG Xiang-Xiang. The Simulation and Experiment Study of a 4 Rod RFQ RF Property[J]. Chinese Physics C, 2005, 29(5): 512-516.

ZHU Kun, GUO Zhi-Yu, FANG Jia-Xun, GAO Shu-Li and SONG Xiang-Xiang. The Simulation and Experiment Study of a 4 Rod RFQ RF Property[J]. Chinese Physics C, 2005, 29(5): 512-516. shu

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Received: 2004-09-27
Revised: 2004-10-14

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沈阳化工大学材料科学与工程学院沈阳 110142

The Simulation and Experiment Study of a 4 Rod RFQ RF Property

Corresponding author: ZHU Kun,

Institute of Heavy Ion Physics,Peking University,Beijing 100871,China

Received Date: 2004-09-27
Accepted Date: 2004-10-14
Available Online: 2005-05-05

Abstract: A 4-rod RFQ cavity was simulated with MAFIA code for the design of a high current, high duty factor RFQ accelerator. The influence of distance, wide, height and shape of stems on the cavity's RF property were studied. The structure parameters of the RFQ cavity were optimized by the requirements of the shunt impedance and the electromagnetic field distribution in the RFQ accelerator. Based on the simulation result, then a cold cavity model was built, measured and the result was compared with the simulation.