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---
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title: Setting up SPheno.m
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permalink: /Setting_up_SPheno.m/
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---
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[Category:Outputs](/Category:Outputs "wikilink") [Category:SPheno](/Category:SPheno "wikilink") For the SPheno output of SARAH, an additional input file is needed, to define the properties of the generated SPheno version. This file must be located in the same directory as the other input files of the current model and is called by default `SPheno.m`. The following properties can be defined via this file:
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1. [The choice between a Low or High scale SPheno version](/Low_or_High_scale_SPheno_version "wikilink") via
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- `OnlyLowEnergySPheno=True/False;`
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2. [Input parameters of SPheno](/Input_parameters_of_SPheno "wikilink") via
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- `MINPAR={...};`
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- `MINPAR={...};`
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- `LHInput[x]`
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3. [Boundary conditions](/Boundary_conditions "wikilink") via
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- `BoundaryLowScaleInput={...};`
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- `BoundaryEWSBScale={...};`
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- `BoundarySUSYScale={...};`
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- `BoundaryHighScale={...};`
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- `BoundaryEWSBScaleRunningDown={...}`
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4. [Handling of Tadpoles with SPheno](/Handling_of_Tadpoles_with_SPheno "wikilink") via
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- `ParametersToSolveTadpoles={...};`
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- `ParametersToSolveTadpolesLowScaleInput={...};`
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5. [GUT scale condition in SPheno](/GUT_scale_condition_in_SPheno "wikilink") via
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- `ConditionGUTscale = x==y;`
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6. [The renormalisation scale in SPheno](/The_renormalisation_scale_in_SPheno "wikilink") via
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- `RenormalizationScaleFirstGuess = x;`
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- `RenormalizationScale = x;`
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7. [More precise mass spectrum calculation](/More_precise_mass_spectrum_calculation "wikilink") via
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- `QuadruplePrecision={...};`
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8. [List of decaying particles](/Decay_calculation_with_SPheno "wikilink") via
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- `ListDecayParticles = {...} / Automatic;`
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- `ListDecayParticles3B = {...} / Automatic;`
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9. [The parameters to calculate the Fine-Tuning in SPheno](/Fine-Tuning_calculations_with_SPheno "wikilink")
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- `FineTuningParameters={...}` together with `IncludeFineTuning = True;`
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10. [Possible flags to turn on/off different features in the SPheno output](/Flags_for_SPheno_Output "wikilink"):
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- `Use2LoopFromLiterature = True/False;`
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- `FlagLoopContributions = True/False;`
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- `NeglectLoopsInvolving = {...}`
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11. [List of auxiliary parameters via](/Using_auxiliary_parameters_in_SPheno "wikilink")
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- `AuxiliaryParametersSPheno={...};`
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12. [Initialisation values of parameters in SPheno](/Initialisation_values_of_parameters_in_SPheno "wikilink")
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- `InitializationValues = {...};`
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13. Some options to deal with models which extended gauge sectors or additional Higgs doublets
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- [Models with another gauge group at the SUSY scale](/Models_with_another_gauge_group_at_the_SUSY_scale "wikilink") via
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- `ExpressionAuxHypercharge = function;` together with `AuxiliaryHyperchargeCoupling = True;`
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- [Models with several generations of Higgs doublets](/Models_with_several_generations_of_Higgs_doublets "wikilink") via
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- `DEFINITION[MoreEWvevs]={...};`
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- `DEFINITION[UseNonStandardYukwas]=True/False;`
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- `DEFINITION[NonStandardYukawas]={...};`
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- `DEFINITION[NonStandardVEVs1L]={...};`
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- `DEFINITION[NonStandardVEVs1Lrelations]={...}`
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See also
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-------- |
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\ No newline at end of file |