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Résumé:

I will argue that pseudo Nambu-Goldstone bosons (pNGBs) may be natural candidates for the dark matter (DM). I will present two scenarios where the mass and the interactions of the pNGBs are connected to the electroweak scale. In this case the DM properties are interlaced with the properties of the Higgs boson. The computation of the DM relic density and the detection perspectives will be discussed.