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# {ital D}{sup *}{ital D}{pi} and {ital B}{sup *}{ital B}{pi} couplings in QCD

PHYSICAL REVIEW D, no. 11 (1995): 6177-6195

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Abstract

We calculate the $D^*D\pi$ and $B^*B\pi$ couplings using QCD sum rules on the light-cone. In this approach, the large-distance dynamics is incorporated in a set of pion wave functions. We take into account two-particle and three-particle wave functions of twist 2, 3 and 4. The resulting values of the coupling constants are \$g_{D^*D\pi}=...More

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