The Semileptonic $B$ to $K_1(1270,1400)$ Decays in QCD Sum Rules

H. Dag, A. Ozpineci, M. T. Zeyrek

We analyze the semileptonic rare decays of $B$ meson to $K_1(1270)$ and $K_1(1400)$ axial vector mesons. The $B\to K_1(1270,1400){\ell }^{+}{\ell }^{-}$ decays are significant fla…