$D^{\ast }{D}_{s}K$ and $D_s^{\ast }DK$ vertices in a QCD Sum Rule approach

M. E. Bracco, A. Cerqueira, M. Chiapparini +2

We calculate the strong form factors and coupling constants of $D^{\ast }{D}_{s}K$ and $D_s^{\ast }DK$ vertices using the QCD sum rules technique. In each case we have considered two differen…