Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-06-16
Phys.Lett. B333 (1994) 184-189
Physics
High Energy Physics
High Energy Physics - Phenomenology
UCT-TP-207/94, Latex File, 5 figures available upon request. To be published in Phys. Lett. B
Scientific paper
10.1016/0370-2693(94)91027-8
Relativistic and non-relativistic ratios of Laplace transform QCD moment sum rules for charmonium are used in order to determine the value of the on-shell charm-quark mass. The validity of the non-relativistic version of QCD sum rules in this particular application is discussed. After using current values of the perturbative and non-perturbative QCD parameters, as well as experimental data on the $J/\psi$ system, we obtain $m_{c}(Q^{2}=m_{c}^{2}) = 1.46 \pm 0.07 \;\mbox{GeV}$.
Dominguez Cesareo A.
Gluckman G. R.
Paver Nello
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