In asymmetric dark matter with self-annihilation, the shear-dominated universe permits a higher self-annihilation cross section and a lower wino mass limit than standard cosmology, while the Gauss-Bonnet braneworld does the opposite.
Relic Abundance of Asymmetric Dark Matter in Quintessence
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abstract
We investigate the relic abundance of asymmetric Dark Matter particles in quintessence model with a kination phase. The analytic calculation of the asymmetric Dark Matter in the standard cosmological scenario is extended to the nonstandard cosmological scenario where we specifically discuss the quintessence model with a kination phase. We found that the enhancement of Hubble rate changes the relic density of particles and anti--particles. We use the present day Dark Matter abundance to constrain the Hubble rate in quintessence model with a kination phase for asymmetric Dark Matter.
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Constraints on Asymmetric Dark Matter Self Annihilation Cross Sections
In asymmetric dark matter with self-annihilation, the shear-dominated universe permits a higher self-annihilation cross section and a lower wino mass limit than standard cosmology, while the Gauss-Bonnet braneworld does the opposite.