On the four-loop strong coupling beta-function in the SM
High Energy Physics - Phenomenology
2016-11-23 v1
Abstract
In the talk the leading four-loop contribution to the beta-function of the strong coupling in the SM is discussed. Some details of calculation techniques are provided. Special attention is paid to the ambiguity due to utilized treatment and a particular prescription with anticommuting is advocated. As a by-product of our computation the four-loop beta-function in QCD with "gluino" is also obtained.
Keywords
Cite
@article{arxiv.1609.02597,
title = {On the four-loop strong coupling beta-function in the SM},
author = {A. V. Bednyakov and A. F. Pikelner},
journal= {arXiv preprint arXiv:1609.02597},
year = {2016}
}
Comments
6 pages, 2 figures, submitted to Proceedings of 19th International Seminar on High Energy Physics "QUARKS-2016", Pushkin, Russia, May-June, 2016