Four-loop QCD β-function with different fermion representations of the gauge group

Four-loop QCD β-function with different fermion representations of the gauge group

A bstract We present analytical results at four-loop level for the β -function of the coupling of a generic gauge group and any number of different quark representations. From this we can directly derive the gluino contribution to the strong coupling β -function of supersymmetric extensions of the S...

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Veröffentlicht in:The journal of high energy physics 2016-10, Vol.2016 (10), p.1-11, Article 118
1. Verfasser: Zoller, M. F.
Format: Artikel
Sprache:eng
Schlagworte:
Classical and Quantum Gravitation
Coupling
Elementary Particles
Fermions
Gages
Gauges
Mathematical analysis
Physics
Physics and Astronomy
Quantum chromodynamics
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Representations
Standard model (particle physics)
String Theory
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Zusammenfassung:A bstract We present analytical results at four-loop level for the β -function of the coupling of a generic gauge group and any number of different quark representations. From this we can directly derive the gluino contribution to the strong coupling β -function of supersymmetric extensions of the Standard Model.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP10(2016)118