The infrared behaviour of the static potential in perturbative QCD

N. Brambilla (Vienna U.) , A. Pineda (CERN) , J. Soto (Barcelona U.) , A. Vairo (HEPHY Vienna)

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classification ✦ hep-ph hep-lathep-th

keywords potentialstaticinfraredtheorybehaviourcalculateddefinitiondivergences

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The definition of the quark-antiquark static potential is given within an effective field theory framework. The leading infrared divergences of the static singlet potential in perturbation theory are explicitly calculated.

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