Threshold Effects on the QCD Coupling α_MS

1994/09/22 by W. Bernreuther, Bernreuther, W.
Physics and Astronomy · #Coupling (piping) #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Materials science #Overline #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9409390

7 pages, PITHA 94/31

arxiv created 1994/09/22 · openalex publication_date 1994/09/22 · arxiv updated 2009/11/30 · openalex created_date 2024/04/10 · openalex updated_date 2026/07/28

Abstract

The matching condition which determines the effect of a heavy quark threshold on the running of the QCD coupling α_MS is reviewed. The matching scale is arbitrary to some extent. However, this affects the value of α_MS away from the threshold region only marginally.

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