O(α_s²) Corrections to Current Correlators
classification
✦ hep-ph
keywords
correctionscorrelatorcorrelatorscurrentallowsalphaapplicationapplications
read the original abstract
In this contribution three-loop QCD corrections to current correlators are considered. The application of the large momentum procedure, which provides a systematic expansion in $(m^2/q^2)^n$, allows the computation of terms up to $n=6$ for the vector and axial-vector correlator and up to $n=4$ for the scalar and pseudo-scalar correlator. Some physical applications are discussed.
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