For example, the mass of an electron is really a coupling between a left handed electron and a right handed electron, which is the antiparticle of a left handed positron.

• 它们与其他费米子不同处在于它们没有一种叫“色”的性质，所以它们的作用力（弱力、电磁力）会随距离增加变得越来越弱。