translation.en: Since this massive Higgs sits along the horizontal direction in this diagram, the photons of electromagnetism remain massless and interact with electric charge along the vertical direction in this charge space.
translation.zh: 由于大量的希格斯粒子在水平方向分布 产生电磁力的光子仍然没有质量 而且在载荷空间中和电荷 相互作用