Formula_13685

\[\begin{gathered}g_{1}=g_{2}=\left.g_{3}\right|_{\mu=M}, \quad g_{3}^{2} /\left.4 \pi\right|_{\mu=m}=\alpha_{s}(m), \\\frac{1}{\alpha_{2}}-\left.\frac{5}{3 \alpha_{1}}\right|_{\mu=m}=\frac{1}{\alpha_{E M}},\end{gathered}\]