Design and cold measurements of a coupled RFQ-SFRFQ cavity

Design and cold measurements of a coupled RFQ-SFRFQ cavity
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耦合 RFQ-SFRFQ 腔的设计和冷测量

DOI:
10.1088/1748-0221/17/02/t02008
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发表时间:
2022-02
影响因子:
1.3
通讯作者:
J.Zhao
J.Zhao
中科院分区:
工程技术4区
文献类型:
--
作者:
Z.Wang;Q.Y.Tan;Y.R.Lu;S.L.Gao;Y.Xia;S.Liu;M.Y.Han;J.Zhao

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基于之前对26 MHz耦合RFQ-SFRFQ(射频四极杆分离功能射频四极杆)腔的研究,我们提出了一种更高频率的耦合RFQ-SFRFQ结构,可在连续波(CW)模式下将质子束从35 keV加速到2.5 MeV。 RFQ和SFRFQ放置在单个腔体中,大大减小了加速器的尺寸。该结构只需要一个射频放大器,而不是两个射频放大器,因此该结构变得更加紧凑。完成了梁的动力学设计和电磁仿真。已经成功构建了 104 MHz 耦合 RFQ-SFRFQ 铝模型腔并在低功率下进行了测试,结果与仿真结果吻合良好。
Based on the previous research on 26 MHz coupled RFQ-SFRFQ (Radio Frequency Quadrupole-Separated-function Radio Frequency Quadrupole) cavity, we propose a higher frequency coupled RFQ-SFRFQ structure to accelerate proton beam from 35 keV to 2.5 MeV in continuous wave (CW) mode. RFQ and SFRFQ are placed in a single cavity, which greatly reduces the size of the accelerator. Instead of two RF amplifiers, only one RF amplifier is needed with this structure, as a result, this structure becomes more compact. The beam dynamic design and electromagnetic simulation have been accomplished. A 104 MHz coupled RFQ-SFRFQ aluminum model cavity has been constructed and tested at low power successfully, and the results show good agreement with the simulations.
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