supported by the National Natural Science Foundation of China(11235005;11105115and 11505148);the key project of Henan’s Universities(15A140033)
In this decays B → D^(*)l^-vl paper, we studied by using the the semileptonic "pQCD + Lattice QCD" method. We made the extrapolation for the six relevant form factors by using the input values obtained from the...