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Scientific Seminars

[Astro] Cosmic discordances

by Eleonora Di Valentino (University of Manchester)

US/Central
https://fermipoint.fnal.gov/service/seminars/
Description

Abstract: The Cosmic Microwave Background (CMB) temperature and polarization anisotropy measurements from the Planck mission have provided strong confirmation of the LCDM model of structure formation. However, there are a few interesting tensions with other cosmological probes and anomalies in the data that leave the door open to possible extensions to LCDM. The most famous ones are the Hubble constant and the S8 parameter tensions, the Alens anomaly, and a curvature of the Universe. I will review all of them, showing some interesting extended cosmological scenarios, in order to find a new concordance model that could explain the current cosmological data.

Zoom: https://fermipoint.fnal.gov/service/seminars/