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Heavy Meson Exclusive Decays in the Framework of QCD Sum Rules

We discuss applications of QCD sum rules on the light-cone to the form factors of the exclusive transitions $B \rightarrow π$ and $D\rightarrow π$, and to the $B^*B π$ and $D^*D π$ coupling constants. In the light of our results we examine the pole dominance model for these form factors. A first estimate is given on the nonfactorizable amplitude of the decay $ B \ra J/ψK$.