Abstract
The existence of dark matter provides compelling evidence for physics beyond the Standard Model. Minimal extensions of the Standard Model with additional scalars or fermions allow to explain the observed dark matter relic density in an economic way. We analyse several of these possibilities like the inert Higgs and radiative seesaw models in the light of the recent Higgs discovery and study prospects for the direct and indirect detection of dark matter in these models.
Highlights
Gravitational effects of dark matter have been observed in galaxies, clusters of galaxies, the large scale structure of the Universe and the cosmic microwave background radiation
These observations indicate that dark matter accounts for about 85% of the matter density in the Universe and for 23% of its total energy density
WIMP (Weakly Interacting Massive Particle) dark matter represents a generic scenario, that can naturally account for the observed dark matter density via freezeout in the early Universe
Summary
Gravitational effects of dark matter have been observed in galaxies, clusters of galaxies, the large scale structure of the Universe and the cosmic microwave background radiation. These observations indicate that dark matter accounts for about 85% of the matter density in the Universe and for 23% of its total energy density. Viable dark matter particles should be neutral, stable and weakly interacting, and, to be consistent with the observed large scale structure of the Universe, behave as cold dark matter. WIMP (Weakly Interacting Massive Particle) dark matter represents a generic scenario, that can naturally account for the observed dark matter density via freezeout in the early Universe. The dark matter candidate is a weakly interacting particle with a mass around the TeV scale - the same scale that is currently being probed by the Large Hadron Collider (LHC) at CERN. 1
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