Power Corrections to Perturbative QCD and OPE in Gluon Green Functions

preprint2001arXivOpen access

We show that QCD Green functions in Landau Gauge exhibit sizable $O(1/μ^2)$ corrections to the expected perturbative behavior at energies as high as 10 GeV. We argue that these are due to a $<A^2>$ -condensate which does not vanish in Landau gauge.

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Power Corrections to Perturbative QCD and OPE in Gluon Green Functions

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