The $g_{J/\psi D_s{D}_s}$ strong coupling constant from QCD Sum Rules

Bruno Osório Rodrigues, Mirian Enriqueta Bracco, Marcelo Chiapparini

The coupling constant of the meson vertex $J/\psi D_s{D}_s$ is calculated using the three point correlation function within the QCD Sum Rule formalism. We have considered alternately me…