Search for 1/p2 Corrections to the Running QCD Coupling
Abstract
We investigate the occurrence of power terms in the running QCD coupling by analysing non-perturbative measurements of alphas (p) at low momenta obtained from the lattice three-gluon vertex. Our exploratory study provides some evidence for power contributions to alphas (p) proportional to 1/p2. Possible implications for physical observables are discussed.
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