Abstract
We present analytical results at four-loop level for the β-function of the coupling of a generic gauge group and any number of different quark representations. From this we can directly derive the gluino contribution to the strong coupling β-function of supersymmetric extensions of the Standard Model.
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Zoller, M.F. Four-loop QCD β-function with different fermion representations of the gauge group. J. High Energ. Phys. 2016, 118 (2016). https://doi.org/10.1007/JHEP10(2016)118
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DOI: https://doi.org/10.1007/JHEP10(2016)118