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A cosmological pathway to testable leptogenesis

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Autor(es):
Dutta, Bhaskar ; Fong, Chee Sheng ; Jimenez, Esteban ; Nardi, Enrico
Número total de Autores: 4
Tipo de documento: Artigo Científico
Fonte: Journal of Cosmology and Astroparticle Physics; v. N/A, n. 10, p. 22-pg., 2018-10-01.
Resumo

Leptogenesis could have occurred at temperatures much lower than generally thought, if the cosmological history of the Universe underwent a period of accelerated expansion, as is predicted for example in a class of scalar-tensor theories of gravitation. We discuss how non-standard cosmologies can open new pathways for low scale leptogenesis. Within these scenarios direct tests of leptogenesis could also provide informations on the very early times Universe evolution, corresponding to temperatures larger than the TeV. (AU)

Processo FAPESP: 13/13689-7 - Fenomenologia do Large Hadron Collider
Beneficiário:Chee Sheng Fong
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
Processo FAPESP: 12/10995-7 - Fenomenologia de física de partículas
Beneficiário:Gustavo Alberto Burdman
Modalidade de apoio: Auxílio à Pesquisa - Temático