Axino dark matter and baryon number asymmetry production by the Q-ball decay in gauge mediation
arXiv:1511.05655 · doi:10.1088/1475-7516/2016/03/011
Abstract
We investigate the Q-ball decay into the axino dark matter in the gauge-mediated supersymmetry breaking. In our scenario, the Q ball decays mainly into nucleons and partially into axinos to account respectively for the baryon asymmetry and the dark matter of the universe. The Q ball decays well before the big bang nucleosynthesis so that it is not affected by the decay. We show the region of the parameters which realizes this scenario.
arXiv comment20 pages, 21 figures
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