TTP07-38 Precise charm and bottom quark masses

TTP07-38 Precise charm and bottom quark masses

TTP07-38 Precise charm and bottom quark masses

New data for the total cross section $\sigma(e^+e^-\to\mbox{hadrons})$ in the charm and bottom threshold region are combined with an improved theoretical analysis, which includes recent four-loop calculations, to determine the short distance MSbar charm and bottom quark masses. The final result for the MSbar-masses, m_c(3 GeV) = 0.986(13) GeV and m_b(10 GeV) = 3.609(25) GeV is consistent with but significantly more precise than a similar previous study.

Johann H. Kühn, Matthias Steinhauser, Christian Sturm
Electronic Proceedings of the IVIIth Rencontres de Moriond QCD AND HIGH ENERGY HADRONIC INTERACTIONS, La Thuile, Italy, March 17th to 24th, 2007. http://events.lal.in2p3.fr/Moriond/QCD_PROC
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