| 上海光源储存环注入段纵向耦合阻抗的计算 |
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| 引用本文： | 姜伯承,刘桂民,戴志敏,赵振堂.上海光源储存环注入段纵向耦合阻抗的计算[J].中国物理 C,2006,30(Z1):22-24. |
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| 作者姓名： | 姜伯承 刘桂民 戴志敏 赵振堂 |
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| 作者单位： | 中国科学院上海应用物理研究所，中国科学院上海应用物理研究所，中国科学院上海应用物理研究所，中国科学院上海应用物理研究所 上海 201800 中国科学院研究生院 北京 100049，上海 201800，上海 201800，上海 201800 |
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| 摘 要： | 对上海光源注入段的纵向耦合阻抗进行了分析计算. 注入段耦合阻抗主要来自镀膜陶瓷真空室及过渡段. 分别用解析法和Mafia数值计算法对其进行了估算,包括窄带阻抗和宽带阻抗的计算. 在对由两个过渡段形成的类腔体进行计算时,没有发现束缚模(Trapped mode); 在对宽带阻抗的计算时,发现它和原先人们常用的宽带共振模型有出入,为配合对微波不稳定性的研究,把宽带阻抗转化成了有效宽带阻抗.
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| 关 键 词： | 耦合阻抗 注入段 不稳定性 束缚模 |
| 收稿时间： | 2005-12-6 |
Calculation of Coupling Impedance of the Injection Section for the SSRF Storage Ring |
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| JIANG Bo-Cheng,LIU Gui-Min,DAI Zhi-Min,ZHAO Zhen-Tang.Calculation of Coupling Impedance of the Injection Section for the SSRF Storage Ring[J].High Energy Physics and Nuclear Physics,2006,30(Z1):22-24. |
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| Authors: | JIANG Bo-Cheng LIU Gui-Min DAI Zhi-Min ZHAO Zhen-Tang |
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| Abstract: | The longitudinal coupling impedance of the injection section for the SSRF is analyzed in this paper. The main contributions are coated ceramic chambers and the injection tapers. They are treated with the analysis method and numerical method, respectively. The broad band impedance as well as the narrow band impedance of the cavity like structure, which is formed by the two adjacent tapers is calculated. No trapped mode has been found. The broad band impedance is expressed in terms of effective broad band impedance, which is more convenient for microwave instability analysis. |
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| Keywords: | coupling-impedance injection-section instability trapped-mode |
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