Charm quark mass from QCD sum rules for the charmonium system

Details Charm quark mass from QCD sum rules for the charmonium system Charm quark mass from QCD sum rules for the charmonium system

2000-10-30

arxiv.org/abs/hep-ph/0010334v1

Phys.Lett.B498:203-210,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 3 figures

Scientific paper

10.1016/S0370-2693(00)01391-5

In this work, the charm quark mass is obtained from a QCD sum rule analysis of the charmonium system. In our investigation we include results from nonrelativistic QCD at next-to-next-to-leading order. Using the pole mass scheme, we obtain a value of $M_c=1.70\pm 0.13$ GeV for the charm pole mass. The introduction of a potential-subtracted mass leads to an improved scale dependence. The running ${\rm \bar{MS}}$-mass is then determined to be $m_c(m_c) = 1.23 \pm 0.09$ GeV.

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