Thermal dark matter abundance under non-standard macroscopic conditions in the early universe

31 Mar 2020 Kobakhidze Archil Schmidt Michael A. Talia Matthew

The standard theoretical estimation of the thermal dark matter abundance may be significantly altered if properties of dark matter particles in the early universe and at the present cosmological epoch differ. This may happen if, e.g., a cosmological phase existed in the early universe during which dark matter particles were temporarily unstable and their abundance was reduced through their decays... (read more)

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  • HIGH ENERGY PHYSICS - PHENOMENOLOGY