| 强流射频四极加速器耦合单元的物理设计研究 |
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| 引用本文： | 欧阳华甫,徐韬光,关遐令,罗紫华,许文武.强流射频四极加速器耦合单元的物理设计研究[J].强激光与粒子束,2003,15(2):195-198. |
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| 作者姓名： | 欧阳华甫 徐韬光 关遐令 罗紫华 许文武 |
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| 作者单位： | 中国科学院 高能物理研究所， 北京 100039 |
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| 基金项目： | 国家 973能源领域资助课题 (1 9990 2 2 60 4 ) |
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| 摘 要： | 用二维程序SUPERFISH 和三维程序MAFIA对射频四极加速器进行了计算机模拟。通过模拟，确定了射频四极加速器中工作模的射频电场的分布, 完成了射频四极加速器的耦合单元、调谐块和起始单元的设计。设计耦合单元必须使射频四极加速对干扰不敏感。对设计的方案进行了讨论和分析。
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| 关 键 词： | MAFIA 射频四极加速器 分段耦合 谐振频率 调谐块 耦合单元 |
| 文章编号： | 1001-4322(2003)02-0195-04 |
| 收稿时间： | 2002/1/4 |
Computer simulation study on the design of the coupling cell in an RFQ with intense beams |
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| OUYANG Hua-fu,XU Tao-guang,GUAN Xia-ling,LUO Zi-hua,XU Wen-wu.Computer simulation study on the design of the coupling cell in an RFQ with intense beams[J].High Power Laser and Particle Beams,2003,15(2):195-198. |
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| Authors: | OUYANG Hua-fu XU Tao-guang GUAN Xia-ling LUO Zi-hua XU Wen-wu |
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| Institution: | Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | Computer simulations are carried out for an RFQ in either 2-D coordinates (by SUPERFISH) or 3-D coordinates (by MAFIA), by which the RF field distribution of the operating mode is determined and the designing on the coupling cell is made. In the meantime, the tuners and the beginning cell of RFQ are also designed. The designing on the coupling cell must satisfy the condition that the RFQ is most insensitive to perturbations. To this end, the mode spacing of the two neighbour modes of the operating mode with respect to operating mode are chosen to be equal. |
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| Keywords: | MAFIA RFQ Resonant coupling Resonant frequency Tuner Coupling cell |
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