Phys. Rev. D 58, 094016 (1998) [18 pages]Exclusive semileptonic and rare B meson decays in QCDReceived 22 May 1998; published 25 September 1998 We present the first complete results for the semileptonic and rare radiative form factors of the B meson’s weak decay into a light vector meson (ρ,ω,K*,φ) in the light-cone sum rule approach. The calculation includes radiative corrections, higher twist corrections, and SU(3) breaking effects. The theoretical uncertainty is investigated in detail. A simple parametrization of the form factors is given in terms of three parameters each. We find that the form factors observe several relations inspired by heavy quark symmetry. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.58.094016
DOI:
10.1103/PhysRevD.58.094016
PACS:
13.20.He, 11.55.Hx, 12.15.Lk
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