${\rm Y}(1S)$ $\to$ $B_c\pi$, $B_{c}K$ decays with perturbative QCD approach

Junfeng Sun, Qingxia Li, Yueling Yang +3

With the potential prospects of the ${\rm Y}(1S)$ at high-luminosity dedicated heavy-flavor factories, the bottom-changing ${\rm Y}(1S)$ $\to$ $B_c\pi$, $B_{c}K$ weak decays are studied with…