2 papers
astro-ph.CO2025
The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes
The Simons Observatory Collaboration, I. Abril-Cabezas, S. Adachi +479
We present updated forecasts for the scientific performance of the degree-scale (0.5 deg FWHM at 93 GHz), deep-field survey to be conducted by the Simons Observatory (SO). By 2027,…
astro-ph.CO2025
Constraints on Anisotropic Cosmic Birefringence from CMB B-mode Polarization
A. I. Lonappan, B. Keating, K. Arnold
Cosmic birefringencethe rotation of the polarization plane of light as it traverses the universeoffers a direct observational window into parity-violating physics beyond the…