Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and weak lensing

TMC Abbott, M Aguena, A Alarcon, S Allam, O Alves… - Physical Review D, 2022 - APS
We present the first cosmology results from large-scale structure using the full 5000 deg 2 of
imaging data from the Dark Energy Survey (DES) Data Release 1. We perform an analysis …

New tests of dark sector interactions from the full-shape galaxy power spectrum

RC Nunes, S Vagnozzi, S Kumar, E Di Valentino… - Physical Review D, 2022 - APS
We explore the role of redshift-space galaxy clustering data in constraining nongravitational
interactions between dark energy (DE) and dark matter (DM), for which state-of-the-art limits …

The galaxy power spectrum take on spatial curvature and cosmic concordance

S Vagnozzi, E Di Valentino, S Gariazzo… - Physics of the Dark …, 2021 - Elsevier
The concordance of the Λ CDM cosmological model in light of current observations has
been the subject of an intense debate in recent months. The 2018 Planck Cosmic …

Cosmology from large-scale structure-Constraining ΛCDM with BOSS

T Tröster, AG Sánchez, M Asgari, C Blake… - Astronomy & …, 2020 - aanda.org
We reanalyse the anisotropic galaxy clustering measurement from the Baryon Oscillation
Spectroscopic Survey (BOSS), demonstrating that using the full shape information provides …

Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements

I Tanseri, S Hagstotz, S Vagnozzi, E Giusarma… - Journal of High Energy …, 2022 - Elsevier
We revisit cosmological constraints on the sum of the neutrino masses Σ m ν from a
combination of full-shape BOSS galaxy clustering [P (k)] data and measurements of the …

Upper bound of neutrino masses from combined cosmological observations and particle physics experiments

A Loureiro, A Cuceu, FB Abdalla, B Moraes… - Physical Review Letters, 2019 - APS
We investigate the impact of prior models on the upper bound of the sum of neutrino
masses,∑ m ν. Using data from the large scale structure of galaxies, cosmic microwave …

Cosmological parameter analyses using transversal BAO data

RC Nunes, SK Yadav, JF Jesus… - Monthly Notices of the …, 2020 - academic.oup.com
We investigate observational constraints on cosmological parameters combining 15
measurements of the transversal BAO scale (obtained free of any fiducial cosmology) with …

Cosmic shear covariance matrix in wCDM: Cosmology matters

J Harnois-Deraps, B Giblin, B Joachimi - Astronomy & Astrophysics, 2019 - aanda.org
We present here the cosmo-SLICS, a new suite of simulations specially designed for the
analysis of current and upcoming weak lensing data beyond the standard two-point cosmic …

BAO signatures in the 2-point angular correlations and the Hubble tension

RC Nunes, A Bernui - The European Physical Journal C, 2020 - Springer
An observational tension on estimates of the Hubble parameter, H_0 H 0, using early and
late Universe information, is being of intense discussion in the literature. Additionally, it is of …

Experiment for cryogenic large-aperture intensity mapping: instrument design

ER Switzer, EM Barrentine, G Cataldo… - Journal of …, 2021 - spiedigitallibrary.org
The experiment for cryogenic large-aperture intensity mapping (EXCLAIM) is a balloon-
borne telescope designed to survey star formation in windows from the present to z= 3.5 …