Home of the CMB-S4 project at APC#
CMB-S4#
CMB-S4 is a proposed experiment to map the polarization of the Cosmic Microwave Background (CMB) to nearly the cosmic variance limit for the angular scales that are accessible from the ground. The science goals and capabilities of CMB-S4 in illuminating cosmic inflation, measuring the sum of neutrino masses, searching for relativistic relics in the early universe, characterizing dark energy and dark matter, and mapping the matter distribution in the universe have been described in the CMB-S4 Science Book. For CMB-S4 to be able to achieve the ambitious goals laid out in the Science Book will require a major step forward in experimental capability from the ongoing Stage-III experiments that are now starting.
More information at the CMB-S4 project page.
