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micrOMEGAs2.0: a program to calculate the relic density of dark matter in a generic model
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micrOMEGAs2.0: a program to calculate the relic density of dark matter in a generic model
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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.
Forward citations
Cited by 11 Pith papers
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Unveiling the Vanishing Higgsino-Nucleon Scattering in the MSSM at Next-to-Leading Order
Near the stop-top kinematic threshold, next-to-leading-order corrections cancel the leading Higgsino-nucleon scattering amplitude, pushing the spin-independent cross section below the neutrino floor in parts of the MS...
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Full Next-To Leading-Order Electroweak and QCD Corrections to the Relic Density in the CxSM
NLO QCD and electroweak corrections to the CxSM dark-matter relic density are computed and released in the public code RelExt@NLO; the corrections shift the allowed parameter region in both directions.
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Towards a Unified Framework for Pseudo-Nambu-Goldstone Dark Matter and Electroweak Baryogenesis
The cS2HDM unifies a pseudo-Nambu-Goldstone dark matter candidate with electroweak baryogenesis in a two-Higgs-doublet plus complex singlet setup, featuring naturally suppressed DM-nucleon scattering and CP-violating ...
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micrOMEGAs 7: Beyond standard cosmology
The micrOMEGAs dark-matter package now solves Boltzmann equations with user-defined expansion and entropy histories, adds sub-GeV hadronic annihilation, and updates CMB, dwarf-galaxy, LZ, and CMS constraints.
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Monochromatic neutrinos from scotogenic dark matter
A modified scotogenic model makes the lightest pseudo-Dirac singlet a dark matter candidate that annihilates mostly to neutrino pairs near threshold, reproducing the relic abundance while satisfying direct detection a...
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Charting Dark Matter down to the neutrino floor/fog in the 2HD+a scenario
In the 2HD+a model with near-zero A-a mixing, single-component WIMP dark matter naturally lies below the neutrino floor above 100 GeV while two-component scenarios are largely excluded by current bounds.
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Twilight of the WIMP: Comprehensive Phenomenology of Electroweak Triplet Dark Matter
Only the hypercharge-zero fermionic electroweak triplet dark matter survives current relic density, direct detection, and indirect detection constraints among the minimal triplet extensions considered.
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Dark Matter as a Source for Lepton Flavor Violation
A dark matter fermion is shown to simultaneously explain the relic density, satisfy direct detection and collider bounds, and produce observable rates for muon-to-electron transitions in a viable parameter region.
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Monochromatic neutrinos from scotogenic dark matter
A variation of the scotogenic model makes the lightest pseudo-Dirac fermion singlet a dark matter candidate that annihilates with 90% branching ratio into neutrino pairs near threshold, yielding the observed relic abu...
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micrOMEGAs 7: Beyond standard cosmology
micrOMEGAs7 extends the micrOMEGAs code to compute dark matter relic density under user-defined non-standard cosmologies and adds updated experimental constraints.
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Correlative study of flavor anomalies and dark matter in the light of scalar leptoquark
A U(1)_{Le-Lμ} extended SM with scalar leptoquark explains b→s anomalies via Z', leptoquark and new fermions while the lightest neutral fermion serves as DM, with constraints analyzed from B decays and DM observables.
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