ABSTRACT
The QCD is not the sole descendant of the Yang-Mills theory. The electroweak interaction theory was also built on the basis of the non-Abelian gauge theory. However, the way of its production was already more complex. The point is that gauge fields are long-range by its nature. This fact immediately leads to the zero mass of the interaction carriers as it takes place both in the QCD and in the QED. The weak interaction exists only at very small distances and the weak interaction carriers, theW±- and Z-bosons, must have a huge mass. So, it was necessary to combine two incompatible things, namely, the local gauge invariance and the nonzero mass of the W±- and Z-bosons. It appeared that one needs to use the idea of a spontaneous symmetry breaking to solve this problem.
