Progress in the beam commissioning of separated function RFQ accelerator |
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| Authors: | Kang MingLei Lu YuanRong Wang Zhi Zhu Kun Yan XueQing Guo ZhiYu Gao ShuLi Peng ShiXiang Liu Ao Fang JiaXun Chen JiaEr |
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| Affiliation: | 1.State Key Laboratory of Nuclear Physics and Technology,Peking University,Beijing,China;2.Department of Physics,Indiana University,Bloomington,USA |
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| Abstract: | Separated Function RFQ (SFRFQ) was proposed as a post accelerator of RFQ to accelerate heavy ions at low frequency. It introduces gap accelerating in the quadrupole electrodes, and therefore it has higher accelerating efficiency than the conventional RFQ accelerator. The first SFRFQ prototype cavity has been specially designed and constructed as a post accelerator to accelerate O+ beam from 1.03 MeV to 1.64 MeV. Based on accomplishment of low power measurement and high power test, the beam commissioning was carried out to verify its feasibility. The measured energy gain per cell of SFRFQ is 45 keV, which is about 60% higher than that of Peking University Integral Split Ring (ISR) RFQ. |
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