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Science with CMB spectral distortions

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If you have a question about this talk, please contact Tommaso Giannantonio .

Since COBE /FIRAS we know that the CMB spectrum is extremely close to a perfect blackbody. There are, however, a number of processes in the early Universe that should create spectral distortions at a level that is within reach of present day technology. I will give an overview of recent theoretical and experimental developments, explaining why future measurements of the CMB spectrum will open up an unexplored window to early-universe and particle physics, with possible non-standard surprises but also guaranteed signals awaiting us. I will also highlight the complementary of the distortion signals and the CMB anisotropies, showing that future distortions measurements will shed new light on different inflation models.

This talk is part of the Cosmology Lunch series.

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LR3A, Department of Engineering and online (Zoom) McCrum Lecture Theatre, Benet Street (behind The Eagle pub, www.scisoc.com for directions) 2S5, Donald McIntyre Building, Faculty of Education, 184 Hills Road, Cambridge

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