Towards the five-loop Beta function for a general gauge group

Abstract

We present analytical results for the $N_f^4$ and $N_f^3$ terms of the five-loop Beta function, for a general gauge group. While the former term agrees with results available from large-$N_f$ studies, the latter is new and extends the value known for SU(3) from an independent calculation.

8 pages, 2 figures; v2 to match published version

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