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---
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title: Flags in SPheno LesHouches file
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permalink: /Flags_in_SPheno_LesHouches_file/
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---
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[Category:SPheno](/Category:SPheno "wikilink") There are many options which can be used in the block `SPhenoInput` in the Les Houches input file to set up the calculations and the output done by SPheno :
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- `1` sets the error level; default is `0`
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- `2` if `1`, the SPA conventions are used; default is `0`
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- `7` if `1`, skips two loop Higgs masses; default is `0`
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- `8` Method to calculate two-loop corrections; default is `3`
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- `1`: fully numerical method
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- `2`: semi-analytical method
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- `3`: diagrammatic calculation
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- `8/9`: using results from literature if available; `8` includes only *α*<sub>*S*</sub> corrections
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- `9` if `1`, two-loop corrections are calculated in gauge-less limit; default is `1`
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- `10` if `1`, safe mode is used for the numerical derivative in the two-loop Higgs calculations; default is `0`
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- `11` if `1`, the branching ratios of the SUSY and Higgs particles are calculated; default is `1`
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- `12` defines minimum value for a branching ratios to be included in output; default is 10<sup>−4</sup>
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- `13` adjusts the three-body decays: `0`: no three-body decays are calculated; `1` only three-body decays of fermions are calculated; `2` only three-body decays of scalars are calculated; `3` three-body decays of fermions and scalars are calculated; default is `1`
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- `14` if `1`, the running parameters at the mass scale of the decaying particle are calculated. Otherwise, the parameters at the standard renormalization scale are used; default is `1`
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- `15` defines minimum value for a width to be included in output; default is 10<sup>−30</sup>
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- `31` positive values are uses as GUT scale; otherwise a dynamical GUT scale fulfilling the given condition is used; default is `-1`
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- `32` if `1`, forces strict unification, i.e. *g*<sub>1</sub> = *g*<sub>2</sub> = *g*<sub>3</sub>; default is `0`
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- `33` if set, a fixed renormalization scale is used
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- `34` sets the relative precision of the mass calculation; default is 10<sup>−4</sup>
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- `35` sets the maximal number of iterations in the calculation of the masses; default is 40
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- `36` sets the minimal number of iterations before SPhenostops because of tachyon in the spectrum; default is 5
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- `37` defines if CKM matrix is taken to be in the up- (`1`) or down- (`2`) quark sector; default is `1`
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- `38` sets the loop order of the RGEs: `1` or `2` can be used; default is `2`
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- `39` if `1`, writes output using SLHA1 format; default is `0`
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- `41` sets the width of the Z-boson *Γ*<sub>*Z*</sub>, default is 2.49 GeV
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- `42` sets the width of the W-boson *Γ*<sub>*W*</sub>, default is 2.06 GeV
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- `50` if `1`, negative fermion masses are rotated to positive ones by multiplying the rotation matrix with *i*; default is `1`
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- `51` if `0`, the parameters *Y*<sub>*u*</sub>, *Y*<sub>*d*</sub>, *T*<sub>*u*</sub>, *T*<sub>*d*</sub>, *m*<sub>*q*</sub><sup>2</sup>, *m*<sub>*d*</sub><sup>2</sup>, *m*<sub>*u*</sub><sup>2</sup> are not rotated into the SCKM basis in the spectrum file; default is `0`
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- `52` if `1`, a negative mass squared is always ignored and set 0; default is `0`
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- `53` if `1`, a negative mass squared at *M*<sub>*Z*</sub> is always ignored and set 0; default is `0`
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- `54` if `1`, the output is written even if there has been a problem during the run; default is `0`
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- `55` if `0`, the loop corrections to all masses are skipped; default is `1`
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- `57` if `0`, the calculation of the low energy observables is skipped; default is `1`
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- `58` if `0`, the calculation of *δ*<sub>*V**B*</sub> in the boundary conditions at the SUSY scale is skipped; default is `1`
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- `60` if `0`, possible effects from kinetic mixing are neglected; default is `1`
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- `61` if `0`, the RGE running of SM parameters is skipped in a low scale input; default is `1`
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- `62` if `0`, the RGE running of SUSY parameters to the low scale is skipped for the calculation of the flavour and precision observables; default is `1`
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- `63` if `0`, the RGE running of SM parameters to the low scale is skipped for the calculation of the flavour and precision observables; default is `1`
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- `64` if `1`, the running parameters at the scale *Q* = 160 are written in the spectrum file; default is `0`
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- `65` can be used if several, independent solution to the tadpole equations exists; default is `1`. An integer is used to pick one solution
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- `75` if `1`, a file containing all parameters in WHIZARDformat is created; default is `1`
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- `76` if `1`, input files for HiggsBoundsand `HiggsSignals`are written; default is `1`
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- `77` if `1`, output is written to be used with MicrOmegas: running masses for light quarks are written instead of pole masses (necessary for the direct detection calculation) and real rotation matrices for Majorana fermions are used; default is `0`
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- `86` sets the maximal width which is taken as ’invisible’ in the output for HiggsBoundsand `HiggsSignals`; default is `0.`
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- `88` sets a maximal mass of particles which are included in loop calculations; default is 10<sup>16</sup> GeV. Note, this option must be turned in SARAHfirst
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- `89` sets the maximal mass for scalars which is treated as numerical zero; default is 10<sup>−8</sup> GeV
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- `95` if `1`, mass matrices at one-loop are forced to be real; default is `0`
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- `400` fixes initial step-size in numerical derivative for the purely numerical method to calculate two-loop Higgs masses; default is `0.1`
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- `401` fixes initial step-size in numerical derivative for the semi-analytical method to calculate two-loop Higgs masses; default is `0.001`
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- `510` if `1`, SPheno writes solution of tadpole equations at tree-level; default is `1`. This is needed for Vevacious.
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- `515` if `1`, SPheno writes all running values at the GUT scale; default is `0`
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- `520` if `1`, SPheno writes HiggsBoundsblocks (effective coupling ratios of Higgs particles to SM fields); default is `1`
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- `521` if `1`, SPheno includes higher order corrections to effective scalar diphoton and digluon vertices; default is `1`
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- `522` if `1`, SPheno uses the pole masses in the calcultion of diphoton and digluon vertices; default is `1`
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- `525` if `1`, SPheno writes the size of all different contributions to the Higgs diphoton rate; default is `0`
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- `530` if `1`, the tree-level values of the tadpole equations appear in the output instead of the loop corrected ones; default is `0`
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- `550` if `0`, the fine-tuning calculation is skipped; default is `1`
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- `551` if `1`, one-loop corrections to *Z*-mass are included in fine-tuning calculation; default is `0`
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- `999` if `1`, debug information is printed on the screen; default is `0`
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See also
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-------- |
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\ No newline at end of file |
