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arxiv: 1507.04293 · v1 · pith:RWJBCP6Onew · submitted 2015-07-15 · ✦ hep-ph

AdS/QCD predictions for semileptonic and rare B decays to rho and K^* vector mesons

classification ✦ hep-ph
keywords lightamplitudescalculateconedecaysdistributionmesonspredictions
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The light front wavefunction obtained from anti-de Sitter Quantum Chromodynamics is used to calculate the light cone distribution amplitudes for $\rho$ and $K^*$ vector mesons. These distribution amplitudes are then utilized to calculate the $B \to \rho ,\; K^*$ transition form factors via light cone sum rules. Two-parameter fits of our results for low to intermediate momentum transfer $q^2$ that includes the QCD lattice data at high $q^2$ are presented. Consequently, we give predictions for the semileptoic $B \to \rho \ell \nu$ and dileptonic $B \to K^* \mu^+ \mu^-$ decays.

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