| A Particle-in-cell scheme of the RFQ in the SSC-Linac |
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| 作者姓名： | 肖陈 何源 陆元荣 Yuri Batygin 尹苓 王志军 原有进 刘勇 常玮 杜小楠 王智 夏佳文 |
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| 作者单位： | Graduate University of Chinese Academy of Sciences, Beijing 100049, China; Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Key Laboratory of Heavy Ion Physics Ministry of Education, Beijing 100049, China; Los Alamos National Laboratory, Los Alamos, NM, 87545, USA; The School of Nuclear Science and Technology Lanzhou University, Lanzhou 730000, China |
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| 基金项目： | Supported by National Natural Science Foundation of China （10635090） |
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| 摘 要： | A 52 MHz Radio Frequency Quadrupole （RFQ） linear accelerator （linac） is designed to serve as an initial structure for the SSC-Linac system （injector into Separated Sector Cyclotron）.The designed injection and output energy are 3.5 keV/u and 143 keV/u,respectively.The beam dynamics in this RFQ have been studied using a three-dimensional Particle-In-Cell （PIC） code BEAMPATH.Simulation results show that this RFQ structure is characterized by stable values of beam transmission effciency （at least 95%） for both zerocurrent mode and the space charge dominated regime.The beam accelerated in the RFQ has good quality in both transverse and longitudinal directions,and could easily be accepted by Drift Tube Linac （DTL）.The effect of the vane error and that of the space charge on the beam parameters have been studied as well to define the engineering tolerance for RFQ vane machining and alignment.
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| 关 键 词： | 直线加速器 三维粒子 询价 合作计划 细胞 作者 初始结构 空间电荷 |
| 收稿时间： | 2009-12-15 |
| 修稿时间： | 2010-3-15 |
A Particle-in-cell scheme of the RFQ in the SSC-Linac |
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| XIAO Chen,;,HE Yuan,LU Yuan-Rong,Yuri Batygin,YIN Ling,WANG Zhi-Jun,YUAN You-Jin,LIU Yong,CHANG Wei,DU Xiao-Nan,WANG Zhi,XIA Jia-Wen.A Particle-in-cell scheme of the RFQ in the SSC-Linac[J].High Energy Physics and Nuclear Physics,2010,34(11):1749-1753. |
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| Authors: | XIAO Chen ; HE Yuan LU Yuan-Rong Yuri Batygin YIN Ling WANG Zhi-Jun YUAN You-Jin LIU Yong CHANG Wei DU Xiao-Nan WANG Zhi XIA Jia-Wen |
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| Institution: | [1]Graduate University of Chinese Academy of Sciences, Beijing 100049, China [2]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China [3]Key Laboratory of Heavy Ion Physics Ministry of Education, Beijing 100049, China [4]Los Alamos National Laboratory, Los Alamos, NM, 87545, USA [5]The School of Nuclear Science and Technology Lanzhou University, Lanzhou 730000, China |
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| Abstract: | RFQ PIC mode parameters sweep analysis manufacturing error space charge effect |
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| Keywords: | RFQ PIC mode parameters sweep analysis manufacturing error space charge effect |
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