publication . Article . Preprint . 2018

Hybrid Dark Matter

Wei Chao;
Open Access
  • Published: 13 May 2018
Dark matter can be produced in the early universe via the freeze-in or freeze-out mechanisms. Both scenarios were investigated in references, but the production of dark matters via the combination of these two mechanisms are not addressed. In this paper we propose a hybrid dark matter model where dark matters have two components with one component produced thermally and the other one produced non-thermally. We present for the first time the analytical calculation for the relic abundance of the Higgs portal hybrid dark matter, then we investigate constraints on the parameter space of the model from dark matter direct and indirect detection experiments.
arXiv: Astrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: High Energy Physics - Phenomenology
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