We present results from an analysis of all data taken by the BICEP2, Keck Array, and
BICEP3 CMB polarization experiments up to and including the 2018 observing season. We …

The Simons Observatory (SO) is a new cosmic microwave background experiment being
built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the …

Determining the origin of structure in the universe is one of the most important open
problems in cosmology. CMB anisotropies sourced by early-universe density perturbations …

The diffuse backgrounds of relic gravitons with frequencies ranging between the aHz band
and the GHz region encode the ultimate information on the primeval evolution of the plasma …

This paper presents the Planck 2015 likelihoods, statistical descriptions of the 2-point
correlationfunctions of the cosmic microwave background (CMB) temperature and …

Cosmic inflation provides a window to the highest energy densities accessible in nature, far
beyond those achievable in any realistic terrestrial experiment. Theoretical insights into the …

We present cosmological parameter constraints based on the final nine-year Wilkinson
Microwave Anisotropy Probe (WMAP) data, in conjunction with a number of additional …

We report results from the BICEP2 experiment, a cosmic microwave background (CMB)
polarimeter specifically designed to search for the signal of inflationary gravitational waves …

The polarized thermal emission from diffuse Galactic dust is the main foreground present in
measurements of the polarization of the cosmic microwave background (CMB) at …

This paper presents cosmological results based on full-mission Planck observations of
temperature and polarization anisotropies of the cosmic microwave background (CMB) …