Generation of WIMP Miracle-like Densities of Baryons and Dark Matter

Details Generation of WIMP Miracle-like Densities of Baryons and Dark Matter Generation of WIMP Miracle-like Densities of Baryons and Dark Matter

2012-01-15

arxiv.org/abs/1201.3124v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 5 figures, Talk presented at DSU 2011

Scientific paper

The observed density of dark matter is of the magnitude expected for a thermal relic weakly-interacting massive particle (WIMP). In addition, the observed baryon density is within an order of magnitude of the dark matter density. This suggests that the baryon density is physically related to a typical thermal relic WIMP dark matter density. We present a model which simultaneously generates thermal relic WIMP-like densities for both baryons and dark matter by modifying a large initial baryon asymmetry. Production of unstable scalars carrying baryon number at the LHC would be a clear signature of the model.

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