Automatic Loop Calculations in the SM and MSSM with FeynArts, FormCalc, and LoopTools

Talk given by Thomas Hahn at Wolfram Research, Inc., Sept. 2000

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Title

What those ``Loop Calculations'' are all about

Evaluation scheme

How FeynArts works

Levels of fields

F-F-S coupling

Model file

FeynArts output

How FormCalc works

FormCalc output

Supersymmetric Calculations

Translation to Fortran

Main function squared_me

Example: Higgs self-energy

Result of sample calculation

Conclusions

Functions to be implemented
Links to the software packages: FeynArts FormCalc LoopTools

Last modified 5 Nov 00, Thomas Hahn.