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arxiv: hep-ph/9909520 · v1 · submitted 1999-09-27 · ✦ hep-ph

The Two-Loop Static Potential

classification ✦ hep-ph
keywords potentialstatictwo-loopbeyondbindingbreakscalculatecalculated
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In quantum chromodynamics (QCD), the binding energy of an infinitely heavy quark--antiquark pair in a color singlet state can be calculated as a function of the distance. We investigate this static potential of QCD perturbatively and calculate the full two-loop coefficient, correcting an earlier result. Beyond this order, the perturbative expansion breaks down.

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