Kavli Affiliate: David N. Spergel | First 5 Authors: Christina D. Kreisch, Minsu Park, Erminia Calabrese, Francis-Yan Cyr-Racine, Rui An | Summary: We use data from the Atacama Cosmology Telescope (ACT) DR4 to search for the presence of neutrino self-interaction in the cosmic microwave background. Consistent with prior works, the posterior distributions we find are […]
Continue.. The Atacama Cosmology Telescope: The Persistence of Neutrino Self-Interaction in Cosmological Measurements