Simulation for 200 MHz proton 4-vane RF quadrupole accelerator with window
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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
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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