FeynRules manual (development version)

Load FeynRules

FR$Parallel = False;
$FeynRulesPath = FileNameJoin[{$UserBaseDirectory, "Applications", "FeynRules"}];
<< FeynRules`;

$$\text{ - FeynRules - }$$

$$\text{Version: }\;\text{2.3.49}\;\text{ (} \;\text{29 September 2021}\;\text{).}$$

$$\text{Authors: A. Alloul, N. Christensen, C. Degrande, C. Duhr, B. Fuks}$$

$$$$

$$\text{Please cite:}$$

$$\text{ - Comput.Phys.Commun.185:2250-2300,2014 (arXiv:1310.1921);}$$

$$\text{ - Comput.Phys.Commun.180:1614-1641,2009 (arXiv:0806.4194).}$$

$$$$

$$\text{http://feynrules.phys.ucl.ac.be}$$

$$$$

$$\text{The FeynRules palette can be opened using the command FRPalette[].}$$

Load FeynRules model

If[$FrontEnd === Null, 
   nbDir = DirectoryName[$InputFileName], 
   nbDir = NotebookDirectory[] 
  ];

frModelPath = FileNameJoin[{nbDir, "Yukawa.fr"}];
LoadModel[frModelPath];

$$\text{This model implementation was created by}$$

$$\text{Vladyslav Shtabovenko}$$

$$\text{Model Version: }0$$

$$\text{For more information, type ModelInformation[].}$$

$$\text{}$$

$$\text{ - Loading particle classes.}$$

$$\text{ - Loading parameter classes.}$$

$$\text{$\backslash $nModel }\;\text{Yukawa}\;\text{ loaded.}$$

Create FeynArts model

(*Without FR$Loop=True; the counter-terms will not be included into the model file *)
  FR$Loop = True; 
   SetDirectory[FileNameJoin[{$UserBaseDirectory, "Applications", "FeynCalc", "FeynArts", "Models"}]]; 
   WriteFeynArtsOutput[LY, Output -> "LY", CouplingRename -> False] 
  

$$\text{ - - - FeynRules interface to FeynArts - - -}$$

$$\text{ C. Degrande C. Duhr, 2013}$$

$$\text{ Counterterms: B. Fuks, 2012}$$

$$\text{Calculating Feynman rules for }\;\text{L1}$$

$$\text{Starting Feynman rules calculation for L1.}$$

$$\text{Expanding the Lagrangian...}$$

$$\text{Collecting the different structures that enter the vertex.}$$

$$4\text{ possible non-zero vertices have been found -$>$ starting the computation: }\;\text{FeynRules$\grave{ }$FR\$FeynmanRules}\;\text{ / }4.$$

$$4\text{ vertices obtained.}$$

$$\text{mytimecheck,after LGC}$$

$$\text{Writing FeynArts model file into directory }\;\text{LY}$$

$$\text{Writing FeynArts generic file on }\;\text{LY.gen}.$$