Three loop QCD MOM β-functions

We present the full expressions for the QCD β-function in the MOMggg, MOMq and MOMh renormalization schemes at three loops for an arbitrary colour group in the Landau gauge. The results for all three schemes are in very good agreement with the SU(3) numerical estimates provided by Chetyrkin and Seid...

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Bibliographic Details
Published inPhysics letters. B Vol. 700; no. 1; pp. 79 - 85
Main Author Gracey, J.A.
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier B.V 30.05.2011
Elsevier
Subjects
Exact sciences and technology
Loop calculations
MOM scheme renormalization
Nuclear physics
Physics
QCD
The physics of elementary particles and fields
MOM scheme renormalization
Loop calculations
QCD
Renormalization
SU theory
Color
Quantum chromodynamics
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Summary:We present the full expressions for the QCD β-function in the MOMggg, MOMq and MOMh renormalization schemes at three loops for an arbitrary colour group in the Landau gauge. The results for all three schemes are in very good agreement with the SU(3) numerical estimates provided by Chetyrkin and Seidensticker.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2011.04.052