3 papers
astro-ph.CO2026
Sensitivity of Next-Generation CMB Surveys to Neutrinos and Other Light Relics
Cynthia Trendafilova, Srinivasan Raghunathan, Benjamin Wallisch +33
Neutrinos and other light relics leave characteristic imprints in the cosmic microwave background anisotropies, making their observation a sensitive probe of the particle content a…
astro-ph.IM2026
An upgraded frequency-selectable laser source (FLS) calibrator for CMB bandpass characterization
Lauren J. Saunders, Sara M. Simon, Shreya Sutariya +4
One of the biggest challenges for Cosmic Microwave Background (CMB) experiments comes from the uncertainty in instrument bandpass calibration. Uncertainties in bandpass can limit f…
astro-ph.IM2025
Design and Validation of a Cold Load for Characterization of CMB-S4 Detectors
Cesiley L. King, Ian Gullet, Adam J. Anderson +7
We present the design and validation of a variable temperature cryogenic blackbody source, hereinafter called a cold load, that will be used to characterize detectors to be deploye…