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Assuming that the cosmological tensions connected to measurements of H0 and S8 are not due to systematics in observations, and can be explained by small modifications of the LambdaCDM model, I will present a general discussion of which physical ingredients may or may not solve the puzzle. I will explain why, although no fully convincing model has been proposed so far, the tensions could hint at new physics in the Dark Sector.
Zoom link: https://cern.zoom.us/j/98399499159
Meeting ID: 983 994 99159
Passcode: 323288