Threshold Effects on the QCD Coupling $\alpha_{\overline{MS}}$
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
The matching condition which determines the effect of a heavy quark threshold on the running of the QCD coupling is reviewed. The matching scale is arbitrary to some extent. However, this affects the value of away from the threshold region only marginally.
Cite
@article{arxiv.hep-ph/9409390,
title = {Threshold Effects on the QCD Coupling $\alpha_{\overline{MS}}$},
author = {W. Bernreuther},
journal= {arXiv preprint arXiv:hep-ph/9409390},
year = {2007}
}
Comments
7 pages, PITHA 94/31