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SUMMARY:Cosmological tensions: hints for a new concordance model? - Eleono
 ra di Valentino - Sheffield University
DTSTART:20220214T130000Z
DTEND:20220214T140000Z
UID:TALK168704@talks.cam.ac.uk
CONTACT:105752
DESCRIPTION:The Cosmic Microwave Background temperature and polarization a
 nisotropy measurements have provided strong confirmation of the LCDM model
  of structure formation. Even if this model can explain incredibly well th
 e observations in a vast range of scales and epochs\, with the increase of
  the experimental sensitivity\, a few interesting tensions between the cos
 mological probes\, and anomalies in the CMB data\, have emerged with diffe
 rent statistical significance. While some portion of these discrepancies m
 ay be due to systematic errors\, their persistence across probes strongly 
 hints at cracks in the standard LCDM cosmological scenario. The most stati
 stically significant are the Hubble constant puzzle\, the S8 parameter ten
 sions\, the Alens anomaly and a curvature of the Universe. I will review t
 hese tensions\, showing some interesting extended cosmological scenarios t
 hat can alleviate them.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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