QCD Interactions of Heavy Mesons with Pions by Light-Cone Sum Rules
P. Colangelo, F. De Fazio
Abstract
Light-cone QCD sum rules are employed to compute the strong coupling constants: gB* B* pi, gB1 B0 pi and gB1 B* pi, where (B,B*) and (B0,B1) are negative and positive parity (0-,1-) and (0+,1+) qQ doublets. The couplings are calculated both for finite values of the heavy quark mass and in the infinite heavy quark mass limit, deriving sum rules for mQ ∞.
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