The semi-leptonic form factors of ${\Lambda }_b\to {\Lambda }_c$ and ${\Xi }_b\to {\Xi }_c$ in QCD sum rules

Zhen-Xing Zhao, Run-Hui Li, Yue-Long Shen +2

In this work, the full leading order results of the form factors for ${\Xi }_b\to {\Xi }_c$ and ${\Lambda }_b\to {\Lambda }_c$ are obtained in QCD sum rules. Contributions from up to dim-5 have been con…