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We provide a library to facilitate the implementation of new models in codes such as matrix element and event generators or codes for computing dark matter observables. The library contains a SLHA reader routine as well as diagonalisation…

High Energy Physics - Phenomenology · Physics 2011-01-17 G. Belanger , Neil D. Christensen , A. Pukhov , A. Semenov

At present time when a new generation of TeV colliders are beginning to operate one needs to calculate cross-sections for a great number of various reactions. Such calculations are united in the framework of the collider physical program,…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. E. Boos , M. N. Dubinin , V. A. Ilyin , A. E. Pukhov , V. I. Savrin

We present the Version 2.7 of FeynHiggs, a program for computing MSSM Higgs-boson masses and related observables, such as mixing angles, branching ratios, and couplings, including state-of-the-art higher-order contributions.

High Energy Physics - Phenomenology · Physics 2010-12-13 T. Hahn , S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein

We present an improved version of our program package oneloop which -- written as a package for MAPLE -- solves one-loop Feynman integrals. The package is calculating one-, two- and three-point functions both algebraically and numerically…

High Energy Physics - Phenomenology · Physics 2009-10-30 L. Brücher , J. Franzkowski , D. Kreimer

The CompHEP package was developed for calculations of decay and high energy collision processes with, correspondingly, up to 5 and 4 final particles in the lowest order (tree) approximation. The main idea put into CompHEP was to make…

The Minimal Supersymmetric Standard Model is presented as a model for the CompHEP software package as a set of files containing the complete Lagrangian of the MSSM, particle contents and parameters. All resources of CompHEP with a…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. S. Belyaev , A. V. Gladyshev , A. V. Semenov

We present an application that automatically writes the Helas library corresponding to the Feynman rules of any Lagrangian, renormalizable or not, in quantum field theory. The code, written in Python, takes the Universal FeynRules Output as…

High Energy Physics - Phenomenology · Physics 2012-08-02 Priscila de Aquino , William Link , Fabio Maltoni , Olivier Mattelaer , Tim Stelzer

BioNetGen is an open-source software package for rule-based modeling of complex biochemical systems. Version 2.2 of the software introduces numerous new features for both model specification and simulation. Here, we report on these…

ULYSSES is a Python package that calculates the baryon asymmetry produced from leptogenesis in the context of a type-I seesaw mechanism. In this release, the new features include code which solves the Boltzmann equations for low-scale…

High Energy Physics - Phenomenology · Physics 2025-01-10 Alessandro Granelli , Christopher Leslie , Yuber F. Perez-Gonzalez , Holger Schulz , Brian Shuve , Jessica Turner , Rosie Walker

FeynHiggs is a program for computing MSSM Higgs-boson masses and related observables, such as mixing angles, branching ratios, and couplings, including state-of-the-art higher-order contributions. The centerpiece is a Fortran library for…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Hahn , S. Heinemeyer , W. Hollik , G. Weiglein

This is a written account of the computer tutorial offered at the Sixth MC4BSM workshop at Cornell University, March 22-24, 2012. The tools covered during the tutorial include: FeynRules, LanHEP, MadGraph, CalcHEP, Pythia 8, Herwig++, and…

We here present some recent developments of MadGraph/MadEvent since the latest published version, 4.0. These developments include: Jet matching with Pythia parton showers for both Standard Model and Beyond the Standard Model processes,…

High Energy Physics - Phenomenology · Physics 2009-02-02 Johan Alwall , Pierre Artoisenet , Simon de Visscher , Claude Duhr , Rikkert Frederix , Michel Herquet , Olivier Mattelaer

We present here the first release of the open-source python package ExoTETHyS, which aims to provide a stand-alone set of tools for modeling spectro-photometric observations of the transiting exoplanets. In particular, we describe: (1) a…

Earth and Planetary Astrophysics · Physics 2020-02-05 Giuseppe Morello , Antonio Claret , Marine Martin-Lagarde , Christophe Cossou , Angelos Tsiaras , Pierre-Olivier Lagage

A major update of the program FeynGame is introduced. One of its main new functionalities is to visualize Feynman graphs generated by QGRAF. The QGRAF output can be either pasted into the FeynGame canvas for individual graphs, or the whole…

High Energy Physics - Phenomenology · Physics 2026-02-24 L. Bündgen , R. V. Harlander , S. Y. Klein , M. C. Schaaf

minimal-lagrangians is a Python program which allows one to specify the field content of an extension of the Standard Model of particle physics and, using this information, to generate the most general renormalizable Lagrangian that…

High Energy Physics - Phenomenology · Physics 2021-01-08 Simon May

We present FeynCalc 9.3, a new stable version of a powerful and versatile Mathematica package for symbolic quantum field theory (QFT) calculations. Some interesting new features such as highly improved interoperability with other packages,…

High Energy Physics - Phenomenology · Physics 2020-07-17 Vladyslav Shtabovenko , Rolf Mertig , Frederik Orellana

We present the latest version 2.6 of FeynHiggs, a program for computing MSSM Higgs-boson masses and related observables, such as mixing angles, branching ratios, and couplings, including state-of-the-art higher-order contributions. The most…

High Energy Physics - Phenomenology · Physics 2007-10-26 T. Hahn , S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein

Deriving the Feynman rules for lattice perturbation theory from actions and operators is complicated, especially when improvement terms are present. This physically important task is, however, suitable for automation. We describe a flexible…

High Energy Physics - Lattice · Physics 2007-05-23 A. Hart , G. M. von Hippel , R. R. Horgan , L. C. Storoni

This paper describes the Mathematica package FeynArts used for the generation and visualization of Feynman diagrams and amplitudes. The main features of version 3 are: generation of diagrams at three levels, user-definable model files,…

High Energy Physics - Phenomenology · Physics 2009-10-31 T. Hahn

For an educational purpose we develop the Python package AutoFreeFem which generates all ingredients for shape optimization with non-linear multi-physics in FreeFEM++ and also outputs the expressions for use in LaTex. As an input, the…

Optimization and Control · Mathematics 2024-07-17 Grégoire Allaire , Michael H. Gfrerer