micrOMEGAs2.0: a program to calculate the relic density of dark matter in a generic model

Abstract

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.

23 pages

References in corpus (3)

• The Well-Tempered Neutralino
• Relic density of neutralino dark matter in the MSSM with CP violation
• Neutralino Dark Matter in the Left-Right Supersymmetric Model

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