Asymmetric baryon capture by primordial black holes and baryon asymmetry of the universe

Abstract

We have refined our previously suggested scenario of generation of the cosmological baryon asymmetry through an asymmetric capture of baryons and antibaryons by primordial block hole arXiv:2009.04361. It is found that in the limit of weak interactions of hypothetical heavy baryons with the primeval plasma the effect can be strongly enhanced and the observed magnitude of the asymmetry can be obtained for a wide range of the model parameters.

arXiv comment8 pages, 1 figure. arXiv admin note: text overlap with arXiv:2009.04361

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• Towards baryogenesis via absorption from Primordial Black Holes