Semileptonic decay of ${\Lambda }_b^0\to {\Lambda }_c(2860{)}^{+}/{\Lambda }_c(2625{)}^{+}{\ell }^{-}{\overline{\nu }}_{\ell }$ within QCD light-cone sum rules

Hui-Hui Duan, Jia-Bao Feng, Feng-Mei Liu +1

In this work, we calculate the transition form factors for the weak decays ${\Lambda }_b^0\to {\Lambda }_c(2860{)}^{+}$ and ${\Lambda }_b^0\to {\Lambda }_c(2625{)}^{+}$ using QCD light-cone sum rules, and compute the branc…