| BEPC中电子云导致的束团横向尺寸增长研究 |
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| 引用本文： | 刘瑜冬,国智元,秦庆,王九庆,赵政.BEPC中电子云导致的束团横向尺寸增长研究[J].中国物理 C,2006,30(3):260-263. |
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| 作者姓名： | 刘瑜冬 国智元 秦庆 王九庆 赵政 |
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| 作者单位： | 中国科学院高能物理研究所,北京100049 |
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| 摘 要： | 多束团正电子储存环中可能发生电子云不稳定性. 由于电子云导致的束团横向尺寸增长已经成为提高对撞机对撞亮度的主要限制因素之一. 介绍了在BEPC储存环中, 利用条纹相机直接测量由于电子云导致的束团横向尺寸增长结果, 并与模拟计算进行了比较.
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| 关 键 词： | 电子云 条文相机 单束团不稳定性 头尾模型 |
| 收稿时间： | 2005-10-24 |
| 修稿时间： | 2005-10-242005-11-28 |
Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC |
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| LIU Yu-Dong,GUO Zhi-Yuan,QIN Qing,WANG Jiu-Qing,ZHAO Zheng.Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC[J].High Energy Physics and Nuclear Physics,2006,30(3):260-263. |
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| Authors: | LIU Yu-Dong GUO Zhi-Yuan QIN Qing WANG Jiu-Qing ZHAO Zheng |
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| Institution: | Institute of High Energy Physics, CAS, Beijing 100049, China |
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| Abstract: | Electron cloud instability (ECI) may take place in a storage ring when the machine is operated with a multi-bunch positively charged beam. Transverse blowup due to electron cloud has been observed in some machines and is considered to be a major limit factor in the development of high current and high luminosity electron positron colliders. With a streak camera, the transverse blowup along the bunch train was first observed in an experiment at the Beijing Electron-Positron Collider (BEPC) and the simulation results were used to compare with the observation. |
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| Keywords: | electron cloud streak camera single bunch instability head-tail model |
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