Precise quark masses from sum rules

Abstract

In this contribution an improved analysis is described to extract precise charm and bottom quark masses from experimental and theoretical moments of the photon polarization function. The obtained $\overline{\mathrm{MS}}$ mass values read $m_c(3GeV)=0.986(13)$ GeV and $m_b(10GeV)=3.609(25)$ GeV.

Comments: 4 pages, LaTeX, to appear in the proceedings of the International Linear Collider Workshop LCWS07, Hamburg, 2007