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CompHEP is based on quantum theory of gauge fields and includes the Standard Model Lagrangian in the unitarity and 't Hooft-Feynman gauges as well as several other MSSM based models. CompHEP is able to compute basically the LO cross sections and distributions with several particles in the final state (up to 6-7). It can take into account, if necessary, all QCD and EW diagrams, masses of fermions and bosons and widths of unstable particles. Processes computed by means of CompHEP can be interfaced to the Monte-Carlo generators PYTHIA and HERWIG as new external processes.
CompHEP is based on quantum theory of gauge fields and includes the Standard Model Lagrangian in the unitarity and 't Hooft-Feynman gauges as well as several other MSSM based models. CompHEP is able to compute basically the LO cross sections and distributions with several particles in the final state (up to 6-7). It can take into account, if necessary, all QCD and EW diagrams, masses of fermions and bosons and widths of unstable particles. Processes computed by means of CompHEP can be interfaced to the Monte-Carlo generators PYTHIA and HERWIG as new external processes.


The CompHEP project started in 1989 in Scobeltsyn Institute of Nuclear Physics of Moscow State University. During the 90’s this package was developed, and now it is a powerful tool for automatic computations of collision processes. The CompHEP program has been used in the past for lots of differnt studies in many experimental groups as shown schematically in the scheme[[Image:Example.jpg]]
The CompHEP project started in 1989 in Scobeltsyn Institute of Nuclear Physics of Moscow State University. During the 90’s this package was developed, and now it is a powerful tool for automatic computations of collision processes. The CompHEP program has been used in the past for lots of differnt studies in many experimental groups as shown schematically in the scheme[[Image:Comphep.gif]]

Due to an intuitive graphical interface CompHEP is a very useful tool in high edication in particle physics.


==External links==
* [http://comphep.sinp.msu.ru official CompHEP page]
* [http://arxiv.org/abs/hep-ph/9908288 manual fro version 3.3]
* [http://arxiv.org/abs/hep-ph/0403113 main journal reference]: Nucl.Instrum.Meth.A534:250 (2004)

Revision as of 00:03, 7 July 2007

CompHEP is a Package for Automatic Computations in High Energy Physics from Lagrangians to Events.

Short description

CompHEP is based on quantum theory of gauge fields and includes the Standard Model Lagrangian in the unitarity and 't Hooft-Feynman gauges as well as several other MSSM based models. CompHEP is able to compute basically the LO cross sections and distributions with several particles in the final state (up to 6-7). It can take into account, if necessary, all QCD and EW diagrams, masses of fermions and bosons and widths of unstable particles. Processes computed by means of CompHEP can be interfaced to the Monte-Carlo generators PYTHIA and HERWIG as new external processes.

The CompHEP project started in 1989 in Scobeltsyn Institute of Nuclear Physics of Moscow State University. During the 90’s this package was developed, and now it is a powerful tool for automatic computations of collision processes. The CompHEP program has been used in the past for lots of differnt studies in many experimental groups as shown schematically in the scheme

Due to an intuitive graphical interface CompHEP is a very useful tool in high edication in particle physics.