Formula_18916

\[T_{\alpha}\left(k_{\alpha}, p_{\alpha}, k_{\alpha}^{\prime}, p_{\alpha}^{\prime}, z\right)=t_{\alpha}\left(k_{\alpha}, k_{\alpha}^{\prime}, z-p_{\alpha}^{2}\right) \delta\left(p_{\alpha}-p_{\alpha}^{\prime}\right),\]