| 合肥电子储存环上新旧高频腔的尾场及耦合阻抗的计算 |
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| 引用本文： | 徐宏亮,王琳,刘金英,孙葆根,李为民,何多慧.合肥电子储存环上新旧高频腔的尾场及耦合阻抗的计算[J].强激光与粒子束,2003,15(2):187-190. |
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| 作者姓名： | 徐宏亮 王琳 刘金英 孙葆根 李为民 何多慧 |
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| 作者单位： | 中国科学技术大学 国家同步辐射实验室，安徽 合肥 230029 |
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| 基金项目： | 国家 973前期预研专项基金资助课题 (2 0 0 1CBB0 1 0 0 0 )，国家 863计划项目资助课题 |
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| 摘 要： | 合肥800MeV电子储存环的二期升级工程正在进行，其中高频腔的改造和加工将要完成，由于原有高频腔存在较多不合理因数，将要被新腔所替换。为了充分估计在将来运行时，高频腔的耦合阻抗对储存高流强的影响，需要对新旧高频腔宽带耦合阻抗进行比较计算。用电磁场计算软件MAFIA对高频腔的耦合阻抗及电子束在此结构中产生的尾场进行了计算，结果说明旧高频腔的耦合阻抗比新高频腔小。
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| 关 键 词： | 尾场 宽带耦合阻抗 高频腔 |
| 文章编号： | 1001-4322(2003)02-0187-04 |
| 收稿时间： | 2002/3/27 |
| 修稿时间： | 2002年3月27日 |
Calculation of wake field and couple impedance of upgraded and old RF cavity in Hefei electron storage ring |
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| XU Hong-liang,WANG Lin,SUN Bao-gen,LI Wei-min,LIU Jin-ying,HE Duo-hui.Calculation of wake field and couple impedance of upgraded and old RF cavity in Hefei electron storage ring[J].High Power Laser and Particle Beams,2003,15(2):187-190. |
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| Authors: | XU Hong-liang WANG Lin SUN Bao-gen LI Wei-min LIU Jin-ying HE Duo-hui |
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| Institution: | National Synchrotron Radiation Laboratory, USTC, P.O.Box 6022, Hefei 230029, China |
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| Abstract: | The phase II upgrading project of Hefei 800MeV electron storage ring is being done, and the important component of the project, the RF cavity, will be finished soon. The old RF cavity with many disadvantages will be replaced by the new one. To estimate the effect of RF cavity coupling impedance to storing bunch intensity fully, the wake potential and the broad band couple impedance of RF cavity were calculated with MAFIA program. And the calculation results were compared between new and old cavity, it is found that the impedance of the new is bigger than that of the old. |
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| Keywords: | Wakefield Broad coupling impedance RF cavity |
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