Hi all,
I'm trying to calculate the Feynman Rules for the effective electroweak chiral Lagrangian. For example, this is the first term in the Lagrangian:
\begin{eqnarray}
\mathcal{L}=\frac{v^2}{4}\text{Tr}(D_{\mu}U D^{\mu}U^{\dagger})
\end{eqnarray}
where
\begin{eqnarray}...