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Extraction of and from Hadronic Tau Decays

✍ Scribed by Elvira Gámiz; Matthias Jamin; Antonio Pich; Joaquim Prades; Felix Schwab


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
381 KB
Volume
144
Category
Article
ISSN
0920-5632

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The uncertainty in αs(MZ) from hadronic
✍ C.J. Maxwell 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 507 KB

The uncertainty in as (Mz) extracted from hadronic tau decay measurements is assessed by performing various renormalon-inspired RS-invariant resummations of the QCD perturbation series. We estimate a rather small uncertainty gas (Mz) --0.003.