$B\to K{\ell }^{+}{\ell }^{-}$ decay at large hadronic recoil

A. Khodjamirian, Th. Mannel, Y. -M. Wang

We predict the amplitude of the $B\to K{\ell }^{+}{\ell }^{-}$ decay in the region of the dilepton invariant mass squared $0<q^2\le m_{J/\psi }^2$, that is, at large hadronic recoil. The $B\to…