双束流激发的纵向尾场与纵向不稳定性的研究
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摘要: 用解析的方法研究了同向和反向运动束流激发的纵向尾场，并且给出了线性近似下束团沿环不均匀分布情形下的双束流纵向多束团不稳定性的计算公式，得出了双束流不稳定性与高频腔(或其它类腔结构)在环上位置及模的对称性有关的结论。Abstract: The longitudinal weakfield for the two counter-rotating beams is studied in this paper. It is conclude that the shunt impedance seen by the counter-moving particle is in general complex. One formula for two-beam's longitudinal coupled bunch instability is developed and the character of two-beam instabilities is presented.
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Key words:
- two beams /
- longitudinal weakfield /
- longitudinal instability
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