| 高功率离子束在漂移管中的中性化传输 |
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| 引用本文： | 孙剑锋,邱爱慈,杨海亮,李静雅,任书庆,黄建军.高功率离子束在漂移管中的中性化传输[J].强激光与粒子束,2006,18(4):701-704. |
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| 作者姓名： | 孙剑锋 邱爱慈 杨海亮 李静雅 任书庆 黄建军 |
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| 作者单位： | 西北核技术研究所, 西安 710024 |
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| 基金项目： | 中国科学院资助项目;国防科技应用基础研究基金 |
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| 摘 要： | 介绍了“闪光二号”加速器产生的高功率离子束在漂移管中的传输实验。对比了采用中性化措施前后的传输情况，分析了中性化措施对离子束束斑半径、束流均匀性的影响。根据实测的二极管电压模拟得到了传输一定距离后的束流波形，与实测结果符合较好。采取适当的中性化措施后，高功率离子束可以有效传输80 cm以上，束流发散得到抑制，束流均匀性得到改善。
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| 关 键 词： | 高功率离子束 中性化 漂移管 传输 |
| 文章编号： | 1001-4322（2006）04-0701-04 |
| 收稿时间： | 2005-08-31 |
| 修稿时间： | 2006-02-13 |
Neutralized transportation of high power ion beams in drifting tube |
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| SUN Jian-feng,QIU Ai-ci,YANG Hai-liang,LI Jing-ya,REN Shu-qing,HUANG Jian-jun.Neutralized transportation of high power ion beams in drifting tube[J].High Power Laser and Particle Beams,2006,18(4):701-704. |
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| Authors: | SUN Jian-feng QIU Ai-ci YANG Hai-liang LI Jing-ya REN Shu-qing HUANG Jian-jun |
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| Institution: | Northwest Institute of Nuclear Technology, P.O.Box 69-10, Xi′an 710024, China |
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| Abstract: | The transportation experiments of high power ion beams(HPIB) on the FLASH Ⅱ accelerator are presented. The transportation of HPIB in different transporting conditions and distances was studied. The influence of neutralization on the radius of beam and the uniformity of the current distribution was analyzed and numerically simulated. The results of the simulation are consistent with the experimental data. Being neutralized, the HPIB can be effectively transported to a distance farther than 80 cm. During the transportation, the distribution of current is uniformed; the defocus of HPIB is reduced. |
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| Keywords: | High power ion beam Beam transportation Neutralizing Drifting tube |
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