J/psiD*D* form factor from QCD sum rules
AUTOR(ES)
Bracco, M.E., Chiapparini, M., Navarra, F.S., Nielsen, M.
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2004-03
RESUMO
We calculate the J/psiD*D* form factor and coupling constant from QCD Sum Rules in the cases where J/psi and D* mesons are off-shell. The results show that this method is consistent and allows to extract the same coupling constant for the vertex.
