Prospects for precision cosmology with the 21 cm signal from the dark ages
The 21 cm signal from the dark ages provides a potential new probe of fundamental
cosmology. While exotic physics could be discovered, here we quantify the expected …
cosmology. While exotic physics could be discovered, here we quantify the expected …
Cosmic mysteries and the hydrogen 21-cm line: bridging the gap with lunar observations
A Fialkov, T Gessey-Jones… - … Transactions of the …, 2024 - royalsocietypublishing.org
The hydrogen 21-cm signal is predicted to be the richest probe of the young Universe,
including those eras known as the cosmic Dark Ages, the Cosmic Dawn (when the first star …
including those eras known as the cosmic Dark Ages, the Cosmic Dawn (when the first star …
Axion star explosions: A new source for axion indirect detection
If dark matter is composed of axions, then axion stars form in the cores of dark matter halos.
These stars are unstable above a critical mass, decaying to radio photons that heat the …
These stars are unstable above a critical mass, decaying to radio photons that heat the …
An effective model for the cosmic-dawn 21-cm signal
JB Muñoz - Monthly Notices of the Royal Astronomical Society, 2023 - academic.oup.com
The 21-cm signal holds the key to understanding the first structure formation during cosmic
dawn. Theoretical progress over the last decade has focused on simulations of this signal …
dawn. Theoretical progress over the last decade has focused on simulations of this signal …
Constraining the X-ray heating and reionization using 21-cm power spectra with Marginal Neural Ratio Estimation
ABSTRACT Cosmic Dawn (CD) and Epoch of Reionization (EoR) are epochs of the
Universe which host invaluable information about the cosmology and astrophysics of X-ray …
Universe which host invaluable information about the cosmology and astrophysics of X-ray …
HERA bound on x-ray luminosity when accounting for population III stars
Recent upper bounds from the Hydrogen Epoch of Reionization Array on the cosmological
21-cm power spectrum at redshifts z≈ 8, 10, have been used to constrain LX< 2 keV/SFR …
21-cm power spectrum at redshifts z≈ 8, 10, have been used to constrain LX< 2 keV/SFR …
IGM damping wing constraints on the tail end of reionization from the enlarged XQR-30 sample
B Greig, A Mesinger, E Bañados… - Monthly Notices of …, 2024 - academic.oup.com
The attenuation of Lyα photons by neutral hydrogen in the intergalactic medium (IGM) at z≳
5 continues to be a powerful probe for studying the epoch of reionization. Given a framework …
5 continues to be a powerful probe for studying the epoch of reionization. Given a framework …
First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR
The redshifted 21 cm signal from neutral hydrogen is a direct probe of the physics of the
early universe and has been an important science driver of many present and upcoming …
early universe and has been an important science driver of many present and upcoming …
beorn: a fast and flexible framework to simulate the epoch of reionization and cosmic dawn
In this study, we introduce beorn (Bubbles during the Epoch of Reionization Numerical
Simulator), a publicly available python code that generates three-dimensional maps of the …
Simulator), a publicly available python code that generates three-dimensional maps of the …
Modeling the High-energy Ionizing Output from Simple Stellar and X-Ray Binary Populations
K Garofali, AR Basu-Zych, BD Johnson… - The Astrophysical …, 2023 - iopscience.iop.org
We present a methodology for modeling the joint ionizing impact due to a" simple X-ray
population"(SXP) and its corresponding simple stellar population (SSP), where" simple" …
population"(SXP) and its corresponding simple stellar population (SSP), where" simple" …