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Generating Feynman Graphs and Amplitudes with FeynArts
Author

Thomas Hahn
Organization: Max-Planck-Institute for Physics (Werner-Heisenberg-Institute)
URL: http://wwwth.mppmu.mpg.de/members/hahn/
Old MathSource #

0202-194
Revision date

2000-11-01
Description

FeynArts is a Mathematica package for the generation and visualization of Feynman diagrams and amplitudes. The current version 3 features a completely new rendering engine for PostScript and LaTeX, together with full support of the Mathematica Frontend's graphical capabilities. It is also no longer dependent on the X platform for topology editing.

Some of the features of version 3 are:

- The generation of diagrams is possible at three levels: generic fields, classes of fields, or specific particles.

- The model information is contained in two special files: The generic model file defines the representation of the kinematical quantities like spinors or vector fields. The classes model file sets up the particle content and specifies the actual couplings. Since the user can create own model files, the applicability of FeynArts is virtually unlimited within perturbative quantum field theory.

- In addition to ordinary diagrams, FeynArts can generate counter-term diagrams and diagrams with placeholders for one-particle irreducible vertex functions (skeleton diagrams).

- FeynArts employs the so-called ``flipping-rule'' algorithm to concatenate fermion chains. This algorithm is unique in that it works also for Majorana fermions and the fermion-number-violating couplings they entail (e.g. quark-squark-gluino) and hence allows supersymmetric models to be implemented in FeynArts.

- Vertices of arbitrary adjacency (a requirement for effective theories) are allowed.

- Mixing propagators, such as appear in non-R_\xi-gauges, are supported.

- FeynArts produces publication-quality Feynman diagrams in PostScript or LaTeX in a format that allows easy customization.
Subjects

*Mathematica Technology > Application Packages > Additional Applications > FeynArts
*Science > Physics > Quantum Physics
Keywords

Feynman diagram, Feynman graph, Feynman chart, Feynman, Feynamn rules, physics, high energy physics, quantum field theory, Perturbation theory, differential cross sections, decay rates, field theories, S-matrix elements, Green functions, topologies, graphics, particle physics, particles, electron, proton, neutrino, quark, muon, tauon, positron, Raddeev Popov, fermions, photon, boson, gluon, Higgs, CreateFeynAmp, FeynmanGauge, Truncated, $DDimensions, CreateTopologies, Tadpoles, SelfEnergies, WFCorrections, Triangles, Boxes, Theta, Eight, Bicycle, TopologyList, Topology, Propagator, Vertex, AntiParticle, VertexList, ParticleList, PossibleParticles, AnalyticalCoupling, AnalyticalPropagator, Mass, PropList, CoupList, InitializedModels, QuarkMixingMatrix, $ModelFiles, Model, ProcessName, UnitaryGauge, Generation1, Generation2, Generation3, QuarkMixing, LightFHCoupling, ElectronHCoupling, RemoveEmptyTops, ScreenMessages, CheckModel, ModelNameSymbol, SymbolToModel, PolarizationVector, LineSpec, InsertFields, Paint, FeynEdit, PaintScaling, GrayBackground, ShowGrid, ShowPointNames, GraphPerRow, RowsPerSheet, AutoEdit, ScreenOutput, PropagatorThickness, VertexSize, FullNumbering, FeynArtsGraphics, AddMomenta, Compare, DrawLine, Orientation, TopToGrassman, FeynInit, FeynMultiplication, GraphPoints, FeynCalcRules, ReadRules, LastRules, VertexHandling
Related items

*Automatic loop calculations with FeynArts, FormCalc, and LoopTools   [in Articles]
*Generating and Calculating One-loop Feynman Diagrams with FeynArts, FormCalc, and LoopTools   [in Articles]
*Generating Feynman Diagrams and Amplitudes with FeynArts 3   [in Articles]
Downloads

Download
FA22Guide.ps.gz (251.3 KB) - gzip PostScript documentation manual
Download
FA3Guide.ps.gz (243.6 KB) - User manual
Download
FeynArts12.tar.gz (272.5 KB) - Compressed Unix tar image of FeynArts, version 1.2
Download
FeynArts22.tar.gz (331 KB) - Compressed Unix tar image of FeynArts, version 2.2
Download
FeynArts3.tar.gz (379.5 KB) - FeynArts package
Download
README.FeynArts (850 B) - Brief description & installation instructions

Files specific to Mathematica 2.2 version:
Download
README.txt (1.4 KB) - Installation notes and getting started
Download
FeynArts.ps (1.3 MB) - PostScript documentation manual
Download
FeynArts.sit.hqx (813.7 KB) - Binhexed stuffit archive of FeynArts directory for Macintosh
Download
FeynArts.tar.Z (536.1 KB) - Compressed Unix tar image of FeynArts directory
Download
FeynArts.zip (483.7 KB) - PK-ZIP archive of FeynArts directory