TTP09-34 Quark masses from low-energy moments of heavy-quark current correlators

We present an update of the determination of charm- and

       bottom-quark masses from the low-energy expansion of the vacuum
       polarization function in combination with experimental data for
       R(s). This analysis leads to the most precise determination of
       the masses of the charm and bottom quarks:
       m_c(3GeV) = 986(13)MeV, m_b(m_b) =
       4163(16)MeV.