On the stability of particle dark matter

Abstract

From the particle physics point of view, the most peculiar property of the dark matter particle is its stability on cosmological time scales. We briefly review the possible origins of this characteristic feature for candidates whose relic density results from the thermal freeze-out of their annihilation. We emphasize that each stabilization mechanism implies an all specific phenomenology. The models reviewed include supersymmetric and non-supersymmetric models where the stability is a consequence of grand-unification, models where stability is due to an unbroken gauge group and models where the DM stability is accidental. The latter possibility includes minimal dark matter, hidden vector dark matter and composite DM models.

Talk presented at the "Identification of Dark Matter 2010" conference, July 26-30, Montpellier, France

References in corpus (4)

• Discrete dark matter
• Weakly Interacting Stable Pions
• Relic density and PAMELA events in a heavy wino dark matter model with Sommerfeld effect
• Implications of the CDMS result on Dark Matter and LHC physics

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• Weakly-Interacting Massive Particles in Non-supersymmetric SO(10) Grand Unified Models
• The ATLAS Diboson Resonance in Non-Supersymmetric SO(10)
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• Purely Triplet Seesaw and Leptogenesis within Cosmological Bound, Dark Matter and Vacuum Stability
• Unification Predictions With or Without Supersymmetry
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• Symmetries of the Scalar Sector of Multi-Higgs-Doublet Models