QCD Duality and the Mass of the Charm Quark

Details QCD Duality and the Mass of the Charm Quark QCD Duality and the Mass of the Charm Quark

2001-05-22

arxiv.org/abs/hep-ph/0105222v3

Phys.Lett.B515:291-296,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 4 eps-figures, LaTeX, typos corrected

Scientific paper

10.1016/S0370-2693(01)00877-2

The mass of the charm quark is analyzed in the context of QCD finite energy sum rules using recent BESII e+e- annihilation data and a large momentum expansion of the QCD correlator which incorporates terms to order (alpha_s)^2 (m_c^2/q^2)^6. Using various versions of duality, we obtain the consistent result m_c(m_c)=(1.37 +- 0.09)GeV. Our result is quite independent of the ones based on the inverse moment analysis.

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