Scale setting using the extended renormalization group and the principle of maximum conformality: The QCD coupling constant at four loops

Analytical singlet α s 4 QCD contributions into the e + e −-annihilation Adler function and the generalized Crewther relations

(2012) A. L. Kataev   JETP LETTERS

The absence of QCD β-function factorization property of the generalized Crewther relation in the ʼt Hooft MS¯-based scheme

(2011) A.V. Garkusha et al.   PHYSICS LETTERS B

Review of Particle Physics

(2010) K Nakamura et al.   JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS

The 2009 world average of α s

(2009) Siegfried Bethke   EUROPEAN PHYSICAL JOURNAL C

Orderαs4QCD Corrections toZandτDecays

(2008) P. A. Baikov et al.   PHYSICAL REVIEW LETTERS

First determination of the strong coupling constant using NNLO predictions for hadronic event shapes in e+e− annihilations

(2008) G Dissertori et al.   JOURNAL OF HIGH ENERGY PHYSICS