1201.3124 (John McDonald)
John McDonald
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.
View original:
http://arxiv.org/abs/1201.3124
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