Fast indicators of long-term stability

被引：0
|
作者：
Todesco, E
Giovannozzi, M
Scandale, W
机构：
来源：
PARTICLE ACCELERATORS | 1996年 / 55卷 / 1-4期
关键词：
dynamic aperture;
D O I：
暂无
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The problem of finding effective fast indicators of long-term stability for single particle betatronic motion in hadron accelerators is considered. Two indicators are analysed: the maximal Lyapunov exponent and the variation of the instantaneous tune. An automatic procedure to select stable from unstable particles is proposed. The guess of the dynamic aperture provided by these fast indicators is checked against long-term tracking for the 4D Henon map and for a simplified version of the SPS lattice used for experiments. Both indicators prove to be very effective to determine long-term stability with a limited number of turns.
引用
收藏
页码：273 / 282
页数：10
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