The five-loop Beta function for a general gauge group and anomalous dimensions beyond Feynman gauge

A bstract We focus on a non-abelian gauge field coupled to a single (but general) representation of a family of N f fermions. By using the same machinery that had allowed us to evaluate the sub-leading large- N f term of the five-loop Beta function earlier, we here report on a confirmation of the al...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:The journal of high energy physics 2017-10, Vol.2017 (10), p.1-19, Article 166
Hauptverfasser: Luthe, Thomas, Maier, Andreas, Marquard, Peter, Schröder, York
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A bstract We focus on a non-abelian gauge field coupled to a single (but general) representation of a family of N f fermions. By using the same machinery that had allowed us to evaluate the sub-leading large- N f term of the five-loop Beta function earlier, we here report on a confirmation of the all- N f result that has in the meantime been published by another group. Furthermore, in order to push forward the 5-loop renormalization program regarding gauge parameter dependence, we present the linear terms of the complete set of anomalous dimensions, in an expansion in the covariant gauge parameter around the Feynman gauge.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP10(2017)166