Probing non-minimal Dark Matter and neutrino properties with forthcoming Large Scale Structure surveys

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• Julien Lesgourgues (Aachen University)
• Monday 30 September 2024, 13:00-14:00
• CMS, Pav. B, CTC Common Room (B1.19) [Potter Room].

If you have a question about this talk, please contact Thomas Colas.

Beyond the well-known role of neutrino masses, several non-minimal but easy-to-motivate properties of Dark Matter could be tested with forthcoming cosmological surveys – including, for the dominant Dark Matter component, a possible velocity dispersion, a slow decay, or feeble interactions. Using recent forecasts, I will show that Stage-IV surveys like DESI or Euclid have a significant potential of discovery. I will highlight the theoretical challenges that need to be overcome in order to derive robust conclusions from the data, with a focus on the Effective Field Theory of Large Scale Structure.

This talk is part of the Cosmology Lunch series.

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