The four-loop DRED gauge beta-function and fermion mass anomalous dimension for general gauge groups

Details The four-loop DRED gauge beta-function and fermion mass anomalous dimension for general gauge groups The four-loop DRED gauge beta-function and fermion mass anomalous dimension for general gauge groups

2007-07-20

arxiv.org/abs/0707.3055v3

JHEP 0709:058,2007

Physics

High Energy Physics

High Energy Physics - Theory

44 pages, added references (v2) minor changes (v3)

Scientific paper

10.1088/1126-6708/2007/09/058

We present four-loop results for the gauge beta-function and the fermion mass anomalous dimension for a gauge theory with a general gauge group and a multiplet of fermions transforming according to an arbitrary representation, calculated using the dimensional reduction scheme. In the special case of a supersymmetric theory we confirm previous calculations of both the gauge beta-function and the gaugino mass beta-function.

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