B → Vl+l- in the Standard Model from light-cone sum rules

We present B-q -> p, Bq -> Bq K*, B-s, K* and B-s, 0 form factors from light-cone sum rules (LCSR) at (O(as) for twist-2 and 3 and (O(a,) for twist-4 with updated hadronic input parameters. Three asymptotic light-cone distribution amplitudes of twist-4 (and 5) are determined, necessary for the form factors to obey the equations of motion. It is argued that the latter constrain the uncertainty of tensor-to-vector form factor ratios thereby improving the prediction of zeros of helicity amplitudes of major importance for B -> K* ll angular observables. We provide easy-to-use fits to the LCSR results, including the full error correlation matrix, in all modes at low q(2) as well as combined fits to LCSR and lattice results covering the entire kinematic range for Bq K*, B, K* and B, phi. The error correlation matrix avoids the problem of overestimating the uncertainty in phenomenological applications. Using the new form factors and recent computations of non-factorisable contributions we provide Standard Model predictions for B -> K*gamma as well as B -> K*l(+)l(-) f and B, -> phi mu(+)mu(-) at low dilepton invariant mass. Employing our B (p,w) form factor results we extract the CKM element vertical bar V-ub vertical bar from the semileptonic decays B (p,w)lv and find good agreement with other exclusive determinations.