Formula_13686

\[\begin{gathered}\ln (M / m)=\frac{\pi}{11}\left(\frac{1}{\alpha_{E M}}-\frac{8}{3 \alpha_{s}(m)}\right), \quad M \sim 10^{16} \text { ГэВ, } \\\sin ^{2} \theta_{w}(m)=1 / 6+5 \alpha_{E M} / 9 \alpha_{s}(m) \approx 0,2 .\end{gathered}\]