Tackling the Challenges in the 21 cm Global Spectrum Experiment: The Impact of Ionosphere and Beam Distortion
Y Wang, X Wang, S Sun, F Wu, S Luo… - The Astrophysical …, 2024 - iopscience.iop.org
The H i 21 cm global signal from the Cosmic Dawn and the Epoch of Reionization (EoR)
offers critical insights into the evolution of our Universe. Yet, its detection presents significant …
offers critical insights into the evolution of our Universe. Yet, its detection presents significant …
Wideband antennas for precision spectral radiometers for cosmology
R Subrahmanyan, A Raghunathan… - 2016 International …, 2016 - ieeexplore.ieee.org
Precision cosmology has been made possible by differential microwave radiometers that
have imaged the anisotropy in the cosmic microwave background radiation. Continued …
have imaged the anisotropy in the cosmic microwave background radiation. Continued …
The effect of dark matter in the Epoch of Reionization
M Kgoadi - wiredspace.wits.ac.za
The problem of dark matter has been of great importance in modern physics since its
inception. Many theories have been proposed about the nature of dark matter but perhaps …
inception. Many theories have been proposed about the nature of dark matter but perhaps …
Cosmological Probes of Fundamental Physics
CM Hirata - 2019 - osti.gov
This report summarizes the research performed by Hirata's group under award# DE-
SC0006624, which contains both theoretical and observational parts. The theoretical part …
SC0006624, which contains both theoretical and observational parts. The theoretical part …
Signatures in the cosmic radio background from spin flip and recombination in cosmological hydrogen
R Subrahmanyan, NU Shankar, N Patra… - 2014 XXXIth URSI …, 2014 - ieeexplore.ieee.org
The cosmological evolution of baryons through recombination and reionization are
predicted to manifest as faint spectral features in the cosmic radio background. Pathfinder …
predicted to manifest as faint spectral features in the cosmic radio background. Pathfinder …