\begin{displaymath}
{\alpha}_s \left(\muq \right) = \frac{4 \pi}{b_0 \ln\left(\muq / \lmsq 
\right)} \left[1-\frac{b_1}{{b_0}^2}\frac{\ln\ln\left(\muq / \lmsq \right)}
{\ln\left(\muq / \lmsq \right)} \right]
\end{displaymath}
\begin{displaymath}
b_0 =11-\frac{2}{3} \nf
, \quad
b_1 =102-\frac{38}{3} \nf
\end{displaymath}
