micrOMEGAs and the relic density in the MSSM

Details micrOMEGAs and the relic density in the MSSM micrOMEGAs and the relic density in the MSSM

2002-10-25

arxiv.org/abs/hep-ph/0210350v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 figures, Talk at CPP2001, Tokyo, Japan

Scientific paper

micrOMEGAs is a program that calculates the relic density of the lightest supersymmetric particle in the MSSM. All tree-level processes for the annihilation of the LSP are included as well as all possible coannihilation processes. The cross-sections extracted from CompHEP are calculated exactly. Relativistic formulae for the thermal average are used and care is taken to handle poles and thresholds by adopting specific integration routines. The Higgs masses are calculated with FeynHiggsFast and the QCD corrected Higgs widths with HDECAY.

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