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带电粒子从边界垂直进入圆形匀强磁场区域时,若粒子沿径向射入必沿径向射出,这是熟知的结论。若粒子不沿径向射入呢?这篇论文旨在研究:若磁场圆①与轨道圆半径相等,则无论粒子是否沿径向射入,出射方向必与入射点所在的磁场圆直径垂直。这一研究结论能为某一类问题提供借鉴意义。
It is a well-known conclusion that when the charged particles enter the circular uniform magnetic field vertically from the boundary, it is well known that if the particles are incident in the radial direction, they must be radiated radially. If the particle does not enter in the radial direction, this paper aims to study: if the magnetic field circle is equal to the radius of the orbital circle, no matter whether the particle is incident in the radial direction, the exit direction must be perpendicular to the diameter of the magnetic field where the incident point is. This research conclusion can provide reference for some kinds of problems.