Measurement and correction of coupling in BEPCⅡ

被引：0
|
作者：
张源 [1 ]
于程辉 [1 ]
季大恒 [1 ]
徐刚 [1 ]
魏源源 [1 ]
秦庆 [1 ]
机构：
[1] Institute of High Energy Physics, Chinese Academy of Sciences
来源：
中国物理C | 2011年 / 12期
基金：
中国国家自然科学基金;
关键词：
BEPCⅡ; coupling; luminosity optimization;
D O I：
暂无
中图分类号：
O572.214 [];
学科分类号：
摘要：
The existing linear coupling theory and representation method are introduced briefly. The socalled local and global coupling is discussed in more detail. The vertical orbit distortion excited by a horizontal corrector is represented with the coupling parameters at the corrector and the observation point. The formula is used to measure the coupling in BEPC . In order to correct the coupling, vertical correctors are used to change the vertical orbit through sextupoles by a least square method. We also introduce and review other frequently used coupling measurement/tuning methods used in our machine.
引用
收藏
页码：1143 / 1147
页数：5
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