The Large Hadron Collider is a 27km-long circular accelerator that is being built at CERN, the European particle-physics laboratory near Geneva, specifically to look for the Higgs boson.
那个大型强子碰撞机是建在日内瓦附近的欧洲粒子物理研究所的一个长为27公里的回旋加速器，其主要功能就是寻找Higgs玻色子。
When charged particle does circular motion in the accelerator, the magnetic field of the accelerator can be taken as periodic, and equivalent to virtual photon.
当带电粒子在加速器中做圆周运动时，加速器的磁场可以看作周期静磁场，可以等效为虚光子。
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