分析讨论了一些文献在计算载流圆环处于自身磁场受的张力和自感系数时使用线电流模型的不当所带来的发散问题。
The problem of divergence produced by using line-model to calculate the tension and coefficient of self-inductance of a circular current loop is discussed.
本文提出用闪烁丝测量束流包络，从而求出粒子流真实发散度的方法。
In this paper, we propose to measure the beam envelope by a thin plastic scintillation filament.
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