Automatic calculation of supersymmetric renormalization group equations and loop corrections
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Publication:538583
DOI10.1016/J.CPC.2010.11.030zbMATH Open1214.81168arXiv1002.0840OpenAlexW1560070765MaRDI QIDQ538583
Author name not available (Why is that?)
Publication date: 25 May 2011
Published in: (Search for Journal in Brave)
Abstract: SARAH is a Mathematica package for studying supersymmetric models. It calculates for a given model the masses, tadpole equations and all vertices at tree-level. Those information can be used by SARAH to write model files for CalcHep/CompHep or FeynArts/FormCalc. In addition, the second version of SARAH can derive the renormalization group equations for the gauge couplings, parameters of the superpotential and soft-breaking parameters at one and two-loop level. Furthermore, it calculates the one-loop self energies and the one-loop corrections to the tadpoles. SARAH can handle all N=1 SUSY models whose gauge sector is a direct product of SU(N) and U(1) gauge groups. The particle content of the model can be an arbitrary number of chiral superfields transforming as any irreducible representation with respect to the gauge groups. To implement a new model, the user has just to define the gauge sector, the particle, the superpotential and the field rotations to mass eigenstates.
Full work available at URL: https://arxiv.org/abs/1002.0840
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