Chin. Phys. Lett.  2017, Vol. 34 Issue (1): 012901    DOI: 10.1088/0256-307X/34/1/012901
NUCLEAR PHYSICS |
Four-Rod RFQ Beam Dynamics Design of PKUNIFTY Upgrade
Xiao-Wen Zhu, Yuan-Rong Lu**, Kun Zhu, Xue-Qing Yan, Hu Wang, Shu-Li Gao, Yu-Bin Zou, Zhi-Yu Guo
State Key Lab of Nuclear Physics and Technology, Peking University, Beijing 100871
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Xiao-Wen Zhu, Yuan-Rong Lu, Kun Zhu et al  2017 Chin. Phys. Lett. 34 012901
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Abstract The Peking University neutron imaging facility (PKUNIFTY), an RFQ-based neutron source, aims at developing industrial applications. During the past 3 y operation, some problems have appeared, such as RF sparking for the RFQ high power operation, full power level instability of RF transmitter, and the misalignment of RFQ electrodes assembling and deformation. The PKUNIFTY upgrade endeavors to adopt a modest inter-voltage beam dynamics design. The new beam dynamics design of 201.5 MHz RFQ of PKUNIFTY, which accelerates 35 mA of D$^{+}$ from 50 keV to 2.0 MeV at 10% duty factor, is performed. The averaged D$^{+}$ beam will be about 3 mA. The source will deliver a fast neutron yield of 2.5$\times$10$^{12}$ n/s via the deuteron–beryllium reaction, which is about 10 times higher than the current status.
Received: 20 September 2016      Published: 29 December 2016
PACS:  29.20.Ej (Linear accelerators)  
  29.27.Bd (Beam dynamics; collective effects and instabilities)  
Fund: Supported by the National Basic Research Program of China under Grant No 2014CB845503
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https://cpl.iphy.ac.cn/10.1088/0256-307X/34/1/012901       OR      https://cpl.iphy.ac.cn/Y2017/V34/I1/012901
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Xiao-Wen Zhu
Yuan-Rong Lu
Kun Zhu
Xue-Qing Yan
Hu Wang
Shu-Li Gao
Yu-Bin Zou
Zhi-Yu Guo
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