CalcHEP 3.4 for collider physics within and beyond the Standard Model

Belyaev, Alexander, Christensen, Neil D. and Pukhov, Alexander (2013) CalcHEP 3.4 for collider physics within and beyond the Standard Model. Computer Physics Communications, 184 (7), 1729-1769. (doi:10.1016/j.cpc.2013.01.014).

Abstract

We present version 3.4 of the CalcHEP software package which is designed for effective evaluation and simulation of high energy physics collider processes at parton level.

The main features of CalcHEP are the computation of Feynman diagrams, integration over multi-particle phase space and event simulation at parton level. The principle attractive key-points along these lines are that it has: (a) an easy startup and usage even for those who are not familiar with CalcHEP and programming; (b) a friendly and convenient graphical user interface (GUI); (c) the option for the user to easily modify a model or introduce a new model by either using the graphical interface or by using an external package with the possibility of cross checking the results in different gauges; (d) a batch interface which allows to perform very complicated and tedious calculations connecting production and decay modes for processes with many particles in the final state.

With this features set, CalcHEP can efficiently perform calculations with a high level of automation from a theory in the form of a Lagrangian down to phenomenology in the form of cross sections, parton level event simulation and various kinematical distributions.

In this paper we report on the new features of CalcHEP 3.4 which improves the power of our package to be an effective tool for the study of modern collider phenomenology

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Contributors

Author: Alexander Belyaev

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