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---
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title: SARAH wiki
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permalink: /SARAH_wiki/
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---
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[Category:General](/Category:General "wikilink") SARAH is a Mathematica package for building and analysing SUSY and non-SUSY models. It calculates all vertices, mass matrices, tadpoles equations, one-loop corrections for tadpoles and self-energies, and two-loop RGEs for a given model. SARAH writes model files for [FeynArts](/FeynArts "wikilink"), [CalcHep/CompHep](/CalcHep/CompHep "wikilink"), which can also be used for dark matter studies using [MicrOmegas](/MicrOmegas "wikilink"), in the [UFO](/UFO "wikilink") format which is supported by MadGraph, Herwig++ and Sherpa, as well as for [WHIZARD](/WHIZARD "wikilink").
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SARAH is also the first available spectrum-generator-generator: based on the derived, analytical expression it creates source code for [SPheno](/SPheno "wikilink"). In that way, it is possible to implement new models in SPheno without the need to write any Fortran code by hand. The output for [Vevacious](/Vevacious "wikilink") can be used to check for the global minimum for a given model and parameter point. Running SARAH is considerably fast, it includes already a long list of SUSY and non-SUSY models, and the implementation of new models is efficient and straightforward.
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Quick Start
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-----------
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- [Installation](/Installation "wikilink")
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- [SARAH in a Nutshell](/SARAH_in_a_Nutshell "wikilink")
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- [Supported Models](/Supported_Models "wikilink")
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- [Main Commands](/Main_Commands "wikilink")
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Calculations performed by SARAH
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-------------------------------
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- [Conventions](/Conventions "wikilink")
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- Tree-level calculations: [Masses](/Masses "wikilink"), [Tadpoles](/Tadpoles "wikilink"), [Vertices](/Vertices "wikilink")
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- Loop calculations: [RGEs](/RGEs "wikilink"), [One-loop](/One-Loop_Self-Energies_and_Tadpoles "wikilink") and [Two-Loop Self-Energies and Tadpoles](/Two-Loop_Self-Energies_and_Tadpoles "wikilink"), [Loop Masses](/Loop_Masses "wikilink"), [One-Loop Matching of Scalar and Fermion Sectors](/One-Loop_Threshold_Corrections_in_Scalar_Sectors "wikilink")
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Possible outputs of SARAH
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-------------------------
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- Model files for Monte-Carlo tools: [CalcHep/CompHep](/CalcHep/CompHep "wikilink"), [UFO](/UFO "wikilink"), [WHIZARD](/WHIZARD "wikilink")
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- [SPheno Output](/SPheno_Output "wikilink")
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- Model files for other tools: [Vevacious](/Vevacious "wikilink"), [FeynArts](/FeynArts "wikilink"), [LHCP](/LHCP "wikilink")
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- [LaTeX Output](/LaTeX "wikilink")
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- [Obtaining the different outputs](/ModelOutput "wikilink")
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Model implementation
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--------------------
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- [General information about model implementations](/Models_General "wikilink")
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- [Basic definitions for a non-supersymmetric model](/Basic_definitions_for_a_non-supersymmetric_model "wikilink")
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- [Basic definitions for a supersymmetric model](/Basic_definitions_for_a_supersymmetric_model "wikilink")
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- [Definition of the properties of different eigenstates](/Definition_of_the_properties_of_different_eigenstates "wikilink")
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- Defining the properties of [particles](/particles.m "wikilink") and [parameters](/parameters.m "wikilink")
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- [Checks of implemented models](/Checks_of_implemented_models "wikilink")
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Additional information
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----------------------
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- [Calculation of gauge group constants](/Gauge_group_constants "wikilink")
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- [Parts of the Lagrangian saved by SARAH](/Lagrangian "wikilink")
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- [Loop functions](/Loop_functions "wikilink")
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- [SPheno flags](/SPheno_flags "wikilink") |
