On the use of the operator product expansion in finite-energy sum rules for light-quark correlators

On the use of the operator product expansion in finite-energy sum rules for light-quark correlators

Tau-based finite-energy sum-rule (FESR) analyses often assume that scales $s_0\sim m_\tau^2$ are large enough that (i) integrated duality violations (DVs) can be neglected, and (ii) contributions from non-perturbative OPE condensates of dimension $D$ scale as $(\Lambda_{QCD}/m_\tau )^D$, allowing th...

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Bibliographic Details
Main Author: Diogo Boito, Maarten Golterman, Kim Maltman, Santiago Peris
Format: Article
Language:English
Published: SciPost 2025-07-01
Series:SciPost Physics Proceedings
Online Access:https://scipost.org/SciPostPhysProc.16.006
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