Semi-leptonic form factors of ${\Xi }_c\to \Xi$ in QCD sum rules

Zhen-Xing Zhao, Xiao-Yu Sun, Fu-Wei Zhang +2

There exists a significant deviation between the most recent Lattice QCD simulation and experimental measurement by Belle for ${\Xi }_c^0\to {\Xi }^{-}{\ell }^{+}{\nu }_{\ell }$. In this work, we…