This is a lecture given at CP3-Origins at the University of Southern Denmark by Michel Tytgat (ULB, Belgium) on Monday, November 3, 2014.

Abstract:
In this talk I will present two simplified models for dark matter and will discuss some of their signatures. The first model is based on a Z’ extension of the SM, in which the Z’ is allowed to decay into dark matter particles. In this case, I will emphasize the potential complementarity between direct detection and collider searches. The second model is based on a fermionic portal: the dark matter, in the form of scalar singlet, is coupled to SM fermions through heavy vector-like fermions. I will that this model has potentially very remarkable gamma-ray spectral features.

More videos of lectures and mini courses regarding particle physics phenomenology and cosmology can be found at:

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