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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| Format: | Article |
| Language: | English |
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SciPost
2025-07-01
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| Series: | SciPost Physics Proceedings |
| Online Access: | https://scipost.org/SciPostPhysProc.16.006 |
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