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RGBeta: A Mathematica Package for the Evaluation of Renormalization Group $ \beta $-Functions

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arxiv 2101.08265 v1 pith:C5BEB724 submitted 2021-01-20 hep-ph

Anders Eller Thomsen This is my paper · ORCID
classification hep-ph
keywords betafunctionspackagergbetadedicatedextractinggithubgroup
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

In completely generic four-dimensional gauge-Yukawa theories, the renormalization group $ \beta $-functions are known to the 3-2-2 loop order in gauge, Yukawa, and quartic couplings, respectively. It does, however, remain difficult to apply these results to specific models without the use of dedicated computer tools. We describe a procedure for extracting $ \beta $-functions using the general results and introduce RGBeta, a dedicated Mathematica package for extracting the $ \overline{\text{MS}} $ $ \beta $-functions in broad classes of models. The package and example notebooks are available from the GitHub repository at https://github.com/aethomsen/RGBeta .

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Cited by 4 Pith papers

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