Electron cloud instability simulation studies for BEPC II
文献类型：期刊论文
| 作者 | Liu YD(刘瑜冬) ; Guo ZY(国智元); Qin Q(秦庆); Wang JQ(王九庆); Liu, YD; Guo, ZY; Qin, Q; Wang, JQ
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| 刊名 | HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
 |
| 出版日期 | 2004 |
| 卷号 | 28期号:11页码:1222-1226 |
| 关键词 | electron cloud coupled bunch instability single bunch instability chromaticity |
| 通讯作者 | CAS, Inst High Energy Phys, Beijing 100049, Peoples R China |
| 英文摘要 | Electron cloud instability (ECI) may take place in a storage ring when the machine is operated with multi-bunch positively charged beam. According to the actual shape of vacuum chamber in BEPC II, a computer simulation program has been developed. With the code I the electron density in the chamber with the different widths of antechamber and the different secondary electron yields, respectively, can be obtained. The possibility to put clearing electrodes in the normal chamber or ante-chamber to reduce the electron density in the central region of the chamber is also investigated. In the simulation, the coherent oscillation of bunches and the formation of electron cloud (EC) are tracked simultaneously. The sideband distribution and growth rate can be obtained through tracking and dealing the bunch oscillation amplitude with FIT. Based on the head-tail model, the single bunch instability induced by EC is also studied. By the simulation, for BEPC H the threshold density for the single bunch instability is estimated to be similar to 10(12)m(-3) and the restraining measures that might be adopted in BEPC 11 can control the EC density under the threshold. According to the simulation results, a relatively big positive chromaticity should be used to suppress the bunch blow up. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Nuclear ; Physics, Particles & Fields |
| 研究领域[WOS] | Physics |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000225368400019 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/239200]  |
| 专题 | 高能物理研究所_加速器中心 高能物理研究所_多学科研究中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Liu YD,Guo ZY,Qin Q,et al. Electron cloud instability simulation studies for BEPC II[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2004,28(11):1222-1226. |
| APA | 刘瑜冬.,国智元.,秦庆.,王九庆.,Liu, YD.,...&Wang, JQ.(2004).Electron cloud instability simulation studies for BEPC II.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,28(11),1222-1226. |
| MLA | 刘瑜冬,et al."Electron cloud instability simulation studies for BEPC II".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 28.11(2004):1222-1226. |
入库方式： OAI收割
来源：高能物理研究所
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