Skip to main content
30 September 2019 to 2 October 2019
Other Institutes
America/Bogota timezone

Reconstructing Non-standard Cosmologies with Dark Matter

1 Oct 2019, 10:00
30m
Other Institutes

Other Institutes

Universidad de los Andes Edificio Santo Domingo (SD) salón 802 (SD-802)

Speaker

Nicolás Bernal (Universidad Antonio Nariño)

Description

Once dark matter has been discovered and its particle physics properties have been determined, a crucial question rises concerning how it was produced in the early Universe. If its thermally averaged annihilation cross section is in the ballpark of few×1026 cm3/s, the WIMP mechanism in the standard cosmological scenario (i.e. radiation dominated Universe) will be highly favored. If this is not the case one can either consider an alternative production mechanism, or a non-standard cosmology. Here we study the dark matter production in scenarios with a non-standard expansion history. Additionally, we reconstruct the possible non-standard cosmologies that could make the WIMP mechanism viable.

Author

Nicolás Bernal (Universidad Antonio Nariño)

Presentation materials