On baryogenesis from dark matter annihilation
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Iop Publishing Ltd
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We study in detail the conditions to generate the baryon asymmetry of the universe from the annihilation of dark matter. This scenario requires a low energy mechanism for thermal baryogenesis, hence we first discuss some of these mechanisms together with the specific constraints due to the connection with the dark matter sector. Then we show that, contrary to what stated in previous studies, it is possible to generate the cosmological asymmetry without adding a light sterile dark sector, both in models with violation and with conservation of B - L. In addition, one of the models we propose yields some connection to neutrino masses.
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Journal Of Cosmology And Astroparticle Physics. Bristol: Iop Publishing Ltd, n. 10, 30 p., 2013.
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DFG
Portuguese national funds through FCT - Fundacao para a Ciencia e Tecnologia
Spanish MINECO Subprogramme Juan de la Cierva
Spanish MINECO
Consolider-Ingenio CUP
European Union
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
