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

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

Click on any picture to get the full transparency in PostScript format.


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


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

Last modified 5 Nov 00, Thomas Hahn.