Exploring the exclusive decay $B^{+}\to \ddot{I}‰{\ell }^{+}\hat{I}½$ with light-cone sum rules

Yin-Long Yang, Ya-Lin Song, Fang-Ping Peng +3

In this paper, we calculate the Cabibbo-Kobayashi-Maskawa matrix element $|V_{ub}|$ by the semileptonic decay $B^{+}\to \ddot{I}‰{\ell }^{+}\hat{I}½$. For the transition form factors (TFFs) $A_1(q^2)$…