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The Dawn of FIMP Dark Matter
  OKC colloquia

Tuesday 16 January 2018
from 13:15 to 14:15
at FA32
Speaker : Tommi Tenkanen (Queen Mary, London)
Abstract : I will present an overview of scenarios where the observed Dark Matter (DM) abundance consists of Feebly Interacting Massive Particles (FIMPs), produced non-thermally by the so-called "freeze-in" mechanism. In contrast to the usual freeze-out scenario, frozen-in FIMP DM interacts very weakly with particles in the visible sector and never attained thermal equilibrium with them in the early Universe. This makes frozen-in DM very difficult but not impossible to test. In this talk I will present the freeze-in mechanism and its variations previously considered in the literature, compare them to the standard DM freeze-out scenario, discuss several aspects of model building, and pay particular attention to observational properties of such feebly interacting DM. (Host: Florian)

AlbaNova  | Last modified 12 January 2018 15:29  |  HELP