QCD sum rule analysis of the charmonium system: The charm quark mass

Details QCD sum rule analysis of the charmonium system: The charm quark mass QCD sum rule analysis of the charmonium system: The charm quark mass

2000-10-13

arxiv.org/abs/hep-ph/0010133v2

Nucl.Phys.Proc.Suppl. 96 (2001) 404-409

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages,3 figures, Talk given at the Euroconference on Quantum Chromodynamics (QCD 2000), Montpellier, July 2000, conference i

Scientific paper

10.1016/S0920-5632(01)01159-8

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 non-relativistic 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 ${\rm \MSb}$-mass is then determined to be $m_{c}(m_{c}) = 1.23 \pm 0.09$ GeV.

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