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O.P.E. and Power Corrections to the QCD coupling constant

✍ Scribed by Ph. Boucaud; F. De Soto; A. Donini; J.P. Leroy; A. Le Yaouanc; J. Micheli; H. Moutarde; O. Pène; J. Rodríquez-Quintero

Book ID
108462401
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
374 KB
Volume
114
Category
Article
ISSN
0920-5632

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Gauge-dependent O.P.E. power corrections
Gauge-dependent O.P.E. power corrections on the QCD coupling
✍ Ph. Boucaud; F. De Soto; A. Donini; J.P. Leroy; A. Le Yaouanc; J. Micheli; H. Mo 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 314 KB

The running coupling constant can be estimated by computing gluon two-and three-point Green functions from the lattice. Computing in lattice implies working in a fixed gauge sector (Landau). A source of systematic uncertainty is then the contribution of non gauge-invariant condensates, as (A2), gene