BUNCH BY BUNCH FEEDBACK SYSTEM USING iGp AT KEK-PF

BUNCH BY BUNCH FEEDBACK SYSTEM USING iGp AT KEK-PF
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使用 iGp AT KEK-PF 的逐束反馈系统

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
T. Mitsuhashi
T. Mitsuhashi
中科院分区:
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文献类型:
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作者:
R. Takai;M. Tobiyama;T. Obina;J. Flanagan;M. Tadano;T. Mitsuhashi

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在KEK-PF上测试了使用iGp反馈信号处理器的横向逐束团反馈系统。该系统由使用1.5 GHz波束分量(3 x fRF)的束团位置检测系统、iGp反馈信号处理器和带有高功率放大器的横向反馈冲击器组成。它显示出足够的性能,以完全抑制不稳定性高达450 mA的束流。使用增长阻尼函数的iGP的不稳定性的模式分析的结果也被示出。
A transverse bunch-by-bunch feedback system using iGp feedback signal processors has been tested at the KEK-PF. The system consists of a bunch position detection system using 1.5 GHz components of the beam (3 x fRF), iGp feedback signal processors, and a transverse feedback kicker with a high power amplifier. It shows sufficient performance to suppress instabilities completely up to a beam current of 450 mA. Results of the mode analysis of the instabilities using the grow-damp function of the iGp are also shown.