We present analytical results for the Nf4 and Nf3 terms of the five-loop Beta function, for a general gauge group. While the former term agrees with results available from large-Nf studies, the latter is new and extends the value known for SU(3) from an independent calculation.
Cite
@article{arxiv.1606.08662,
title = {Towards the five-loop Beta function for a general gauge group},
author = {Thomas Luthe and Andreas Maier and Peter Marquard and York Schroder},
journal= {arXiv preprint arXiv:1606.08662},
year = {2016}
}