Semileptonic decays of pseudoscalar mesons to scalar "f0" meson
Abstract
The transition form factors of (Ds -> f0 l nu), (D -> f0 l nu) and (Bu -> f0 l nu) decays are calculated in 3-point QCD sum rule method, assuming that "f0" is a quark-antiquark state with a mixture of strange and light quarks. The branching ratios of these decays are calculated in terms of the mixing angle.
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