| Study of the beam loading effect in the CSNS/RCS |
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| 作者姓名： | 苑尧硕 李开玮 王娜 入江吉郎 王生 |
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| 作者单位： | 1 Dongguan Campus, Institute of High Energy Physics, Chinese Academy of Sciences, Dongguan 523803, China;;2 Dongguan Institute of Neutron Sciences, Dongguan 523808, China;;3 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China;;4 High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan |
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| 基金项目： | Supported by National Natural Science Foundation of China(11175193) |
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| 摘 要： | The China Spallation Neutron Source/Rapid Cycling Synchrotron (CSNS/RCS) accelerates a high-intensity proton beam from 80 MeV to 1.6 GeV. Since the beam current and beam power is high, the beam loading is a severe problem for the stability of the circulating beam in the RCS. To study the beam loading effect in the CSNS/RCS theoretically, the RLC circuit model of the rf cavity, the method of Fast Fourier Transform and the method of Laplace transform have been employed to obtain the impedance of the rf system, the beam spectrum and the beam-induced voltage, respectively. Based on these physical models, the beam dynamics equations have been revised and a beam loading model has been constructed in the simulation code ORIENT. By using the code, the beam loading effect on the rf system of the CSNS/RCS has been investigated. Some simulation results have been obtained and conclusions have been drawn.
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| 关 键 词： | beam loading effect beam-induced voltage beam simulation CSNS/RCS |
| 收稿时间： | 2014-6-30 |
Study of the beam loading effect in the CSNS/RCS |
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| YUAN Yao-Shuo;LI Kai-Wei;WANG Na;Yoshiro Irie;WANG Sheng.Study of the beam loading effect in the CSNS/RCS[J].High Energy Physics and Nuclear Physics,2015,39(4):82-87. |
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| Authors: | YUAN Yao-Shuo;LI Kai-Wei;WANG Na;Yoshiro Irie;WANG Sheng |
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| Institution: | YUAN Yao-Shuo;LI Kai-Wei;WANG Na;Yoshiro Irie;WANG Sheng;Dongguan Campus, Institute of High Energy Physics, Chinese Academy of Sciences;Dongguan Institute of Neutron Sciences;Institute of High Energy Physics, Chinese Academy of Sciences;High Energy Accelerator Research Organization; |
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