Rare B -> K^* l^+ l^- Decay in Light Cone QCD

Details Rare B -> K^* l^+ l^- Decay in Light Cone QCD Rare B -> K^* l^+ l^- Decay in Light Cone QCD

1996-12-28

arxiv.org/abs/hep-ph/9612480v2

Phys.Rev. D56 (1997) 4260-4267

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 5 figures, LaTeX formatted. METU-PHYS-HEP-96-35

Scientific paper

10.1103/PhysRevD.56.4260

We investigate the transition formfactors for the B -> K^* l^+ l^- (l = mu, tau) decay in the light cone QCD. It is found that the light cone and 3-point QCD sum rules analyses for some of the formfactors for the decay B -> K^* l^+ l^- lead to absolutely different $q^2$ dependence. The invariant dilepton mass distributions for the B -> K^* mu^+ mu^- and B -> K^* tau^+ tau^- decays and final lepton longitudinal polarization asymmetry, which includes both short and long-distance contributions, are also calculated.

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