Renormalization-group improvement in hadronic $τ$ decays in 2018
One of the main sources of theoretical uncertainty in the extraction of the strong coupling from hadronic tau decays stems from the renormalization group improvement of the series. Perturbative series in QCD are divergent but are (most likely) asymptotic expansions. One needs knowledge about...
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| Format: | Article |
| Language: | English |
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SciPost
2019-02-01
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| Series: | SciPost Physics Proceedings |
| Online Access: | https://scipost.org/SciPostPhysProc.1.049 |