Anomalous commutator corrections to sum rules
Javier P. Muniain, J. Wudka (UC Riverside)
TL;DR
This paper investigates how anomalous commutator contributions affect QCD sum rules, showing they are significant and help resolve previous contradictions using operator product expansion and vacuum condensates.
Contribution
It introduces a method combining BJL limit with operator product expansion to evaluate anomalous commutator effects in QCD sum rules.
Findings
Anomalous contributions are significant in QCD sum rules.
They reconcile previously contradictory calculations.
Results expressed via vacuum condensates of gauge invariant operators.
Abstract
In this paper we consider the contributions of anomalous commutators to various QCD sum rules. Using a combination of the BJL limit with the operator product expansion the results are presented in terms of the vacuum condensates of gauge invariant operators. It is demonstrated that the anomalous contributions are no negligible and reconcile various apparently contradictory calculations.
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