Precise Charm and Bottom quark masses

Details Precise Charm and Bottom quark masses Precise Charm and Bottom quark masses

2007-05-16

arxiv.org/abs/0705.2335v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, talk given by Johann H. Kuhn at 42nd Rencontres de Moriond on QCD and High-Energy Hadronic Interactions, L

Scientific paper

New data for the total cross section sigma(e^+e^- --> 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 \bar{MS} charm and bottom quark masses. The final result for the \bar{MS}-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.

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