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Analyses of gD*sDK and gB*sBK vertices in QCD sum rules

2012    Sungu, J. Y.; Sundu, H.; Azizi, K.

The coupling constants g(D*sDK) and g(B*sBK) are calculated in the framework of QCD sum rules. We evaluate the correlation functions of these vertices considering both D(B) and K mesons off-shell and obtain the results as g(D*sDK) = (2.89 +/- 0.25) and g(B*sBK) = (3.01 +/- 0.28).