Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-07-05
Comput.Phys.Commun.176:367-382,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages
Scientific paper
10.1016/j.cpc.2006.11.008
micrOMEGAs2.0 is a code which calculates the relic density of a stable massive particle in an arbitrary model. The underlying assumption is that there is a conservation law like R-parity in supersymmetry which guarantees the stability of the lightest odd particle. The new physics model must be incorporated in the notation of CalcHEP, a package for the automatic generation of squared matrix elements. Once this is done, all annihilation and coannihilation channels are included automatically in any model. Cross-sections at $v=0$, relevant for indirect detection of dark matter, are also computed automatically. The package includes three sample models: the minimal supersymmetric standard model (MSSM), the MSSM with complex phases and the NMSSM. Extension to other models, including non supersymmetric models, is described.
Bélanger Guillaume
Boudjema Fawzi
Pukhov Alexander
Semenov Alexander
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