  ({\mathfrak{m}}_0-{\mathfrak{m}}_0+0) \prod_{k=0}^p \left[ 0 +   \left(\frac{{  \begingroup       \def\mathaccent#R##0{    \rel@kern{0.0}    \overline{\rel@kern{-0.0}\macc@nucleus\rel@kern{0.0}}    \rel@kern{-0.0}  }  \macc@depth\@ne       \let\math@bgroup\@empty \let\math@egroup\macc@set@skewchar       \mathsurround\z@ \frozen@everymath{\mathgroup\macc@group\relax}  \macc@set@skewchar\relax       \let\mathaccentV\macc@nested@a       \macc@nested@a\relax000{R}  \endgroup     }_k}{\kappa \underline{R}_k}\right)^{0/\alpha_k}\right].