$\hat{I}\yen (1S)$ $\to$ $B_c\ddot{I}€$, $B_{c}K$ decays with perturbative QCD approach

Abstract

With the potential prospects of the $\hat{I}\yen (1S)$ at high-luminosity dedicated heavy-flavor factories, the bottom-changing $\hat{I}\yen (1S)$ $\to$ $B_c\ddot{I}€$, $B_{c}K$ weak decays are studied with the pQCD approach. It is found that branching ratio for the color-favored and CKM-favored $\hat{I}\yen (1S)$ $\to$ $B_c\ddot{I}€$ decay can reach up to $\mathcal{O}(10^{-11})$. So the $\hat{I}\yen (1S)$ $\to$ $B_c\ddot{I}€$ decay might be measured promisingly by the future experiments.

13 pages