The redshifted 21 cm line is an emerging tool in cosmology, in principle permitting three-
dimensional surveys of our universe that reach unprecedentedly large volumes, previously …

The astrophysics of the cosmic dawn, when star formation commenced in the first collapsed
objects, is predicted to be revealed by spectral and spatial signatures in the cosmic radio …

After stars formed in the early Universe, their ultraviolet light is expected, eventually, to have
penetrated the primordial hydrogen gas and altered the excitation state of its 21-centimetre …

Due to ionosphere absorption and the interference of natural and artificial radio emissions,
astronomical observation from the ground becomes very difficult at the wavelengths of …

We revisit the global 21 cm signal calculation incorporating a possible radio background at
early times, and find that the global 21 cm signal shows a much stronger absorption feature …

ABSTRACT The Large-aperture Experiment to Detect the Dark Age (LEDA) was designed to
detect the predicted O (100) mK sky-averaged absorption of the cosmic microwave …

The existence of millicharged dark matter (mDM) can leave a measurable imprint on 21-cm
cosmology through mDM-baryon scattering. However, the minimal scenario is severely …

ABSTRACT The Experiment to Detect the Global Epoch of Reionization Signature (EDGES)
recently reported a strong 21-cm absorption signal relative to the cosmic microwave …

We introduce Probing Radio Intensity at high-Z from Marion (PRIZM), a new experiment
designed to measure the globally averaged sky brightness, including the expected …

Results from EDGES High-band. I. Constraints on Phenomenological Models for the Global 21
cm Signal - IOPscience This site uses cookies. By continuing to use this site you agree to our …