The uncertainty in αs(MZ) from hadronic tau decay measurements

✍ Scribed by C.J. Maxwell

• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 507 KB
• Volume: 76
• Category: Article
• ISSN: 0920-5632
• DOI: 10.1016/s0920-5632(99)00480-6

✦ Synopsis

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.