| 200 MHz质子带窗四翼型射频四极场加速器结构模拟研究 |
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| 引用本文： | 傅琪, 陆元荣, 王智, 等. 200 MHz质子带窗四翼型射频四极场加速器结构模拟研究[J]. 强激光与粒子束, 2014, 26: 075102. doi: 10.11884/HPLPB201426.075102 |
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| 作者姓名： | 傅琪 陆元荣 王智 朱昆 郭之虞 颜学庆 |
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| 作者单位： | 1.北京大学 核物理和核技术国家重点实验室, 北京 1 00871 |
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| 摘 要： | 根据束流动力学设计方案，使用电磁场计算软件CST Microwave Studio对带窗四翼型射频四极场（RFQ）结构进行了模拟研究，分析了加速腔结构参数对其物理特性的影响，得到了200 MHz质子带窗四翼型RFQ优化结构方案。该结构的比分路阻抗为79.5 km，模式间隔达25.802 MHz。与传统的四翼型RFQ比较结果表明：带窗四翼型RFQ具有较低的工作频率范围、良好的电稳定性以及较高的比分路阻抗。
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| 关 键 词： | 带窗四翼型射频四极场 质子加速器 结构模拟 |
| 收稿时间： | 2013-08-04 |
| 修稿时间： | 2014-02-27 |
Simulation for 200 MHz proton 4-vane RF quadrupole accelerator with window |
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| Fu Qi, Lu Yuanrong, Wang Zhi, et al. Simulation for 200 MHz proton 4-vane RF quadrupole accelerator with window[J]. High Power Laser and Particle Beams, 2014, 26: 075102. doi: 10.11884/HPLPB201426.075102 |
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| Authors: | Fu Qi Lu Yuanrong Wang Zhi Zhu Kun Guo Zhiyu Yan Xueqing |
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| Affiliation: | 1. State Key Laboratory of Nuclear Physics and Technology,Peking University,Beijing 100871,China |
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| Abstract: | According to the beam dynamics design, the influence of structure parameters on physical parameters was investigated after modeling the 4-vane RF quadrupole (RFQ) with window and three-dimensional electrodynamics simulations by CST Microwave Studio. We obtained the preliminary structural scheme of the 200 MHz proton 4-vane RFQ with window, the specific shunt impedance of the structure was 79.5 km, frequency separation of two modes was 25.802 MHz. Comparative research of the 4-vane RFQ with window and the traditional 4-vane RFQ shows that the 4-vane RFQ with window provides low operating frequency range, fine electrical stability and relatively high specific shunt impedance. |
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| Keywords: | 4-vane RF quadrupole with window proton accelerator structure simulation |
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