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ETHOS -- An Effective Theory of Structure Formation: Impact of Dark Acoustic Oscillations on Cosmic Dawn
Julian B. Muñoz, Sebastian Bohr, Francis-Yan Cyr-Racine +2
Upcoming data of the 21-cm hydrogen line during cosmic dawn () will revolutionize our understanding of the astrophysics of the first galaxies. Here we present a case s…
21cmFAST v3: A Python-integrated C code forgenerating 3D realizations of the cosmic 21cm signal
Steven G. Murray, Bradley Greig, Andrei Mesinger +4
This brief code paper presents a new Python-wrapped version of the popular 21cm cosmology simulator, 21cmFAST. The new version, v3+, maintains the same core functionality of previo…
First Constraints on Small-Scale Non-Gaussianity from UV Galaxy Luminosity Functions
Nashwan Sabti, Julian B. Muñoz, Diego Blas
UV luminosity functions provide a wealth of information on the physics of galaxy formation in the early Universe. Given that this probe indirectly tracks the evolution of the mass…
Outliers in the LIGO Black Hole Mass Function from Coagulation in Dense Clusters
Jordan Flitter, Julian B. Muñoz, Ely D. Kovetz
The advanced LIGO O3a run catalog has been recently published, and it includes several events with unexpected mass properties, including mergers with individual masses in the lower…
Accurately Weighing Neutrinos with Cosmological Surveys
Weishuang Linda Xu, Nicholas DePorzio, Julian B. Muñoz +1
A promising avenue to measure the total, and potentially individual, mass of neutrinos consists of leveraging cosmological datasets, such as the cosmic microwave background and sur…
Finding eV-scale Light Relics with Cosmological Observables
Nicholas DePorzio, Weishuang Linda Xu, Julian B. Muñoz +1
Cosmological data provide a powerful tool in the search for physics beyond the Standard Model (SM). An interesting target are light relics, new degrees of freedom which decoupled f…
Cosmic Variance of the 21-cm Global Signal
Julian B. Muñoz, Francis-Yan Cyr-Racine
Cosmological measurements of the 21-cm line of neutral hydrogen are poised to dramatically enhance our understanding of the early universe. In particular, both the epochs of reioni…
INTEGRAL constraints on primordial black holes and particle dark matter
Ranjan Laha, Julian B. Muñoz, Tracy R. Slatyer
The International Gamma-Ray Astrophysics Laboratory (INTEGRAL) satellite has yielded unprecedented measurements of the soft gamma-ray spectrum of our Galaxy. Here we use those meas…
A tale of two sites -- I: Inferring the properties of minihalo-hosted galaxies from current observations
Yuxiang Qin, Andrei Mesinger, Jaehong Park +2
The very first galaxies that started the cosmic dawn likely resided in so-called "minihaloes", with masses of -, accreting their gas from the interg…