papers

Publications (10)

astro-ph.CO2025

Cosmological neutrino mass: a frequentist overview in light of DESI

D. Chebat, C. Yèche, E. Armengaud +51

We derive constraints on the neutrino mass using a variety of recent cosmological datasets, including DESI BAO, the full-shape analysis of the DESI matter power spectrum and the on…

astro-ph.CO2025

Constraints on Neutrino Physics from DESI DR2 BAO and DR1 Full Shape

W. Elbers, A. Aviles, H. E. Noriega +116

The Dark Energy Spectroscopic Instrument (DESI) Collaboration has obtained robust measurements of baryon acoustic oscillations (BAO) in the redshift range, , based o…

astro-ph.CO2026

DESI DR2 Results IV: Alcock-Paczyński Measurements from the Lyman Alpha Forest and Cosmological Constraints

DESI Collaboration, A. G. Adame, J. Aguilar +164

The DESI DR2 analysis measures the Alcock‑Paczynski effect using the full shape of Lyman‑α forest auto‑ and cross‑correlations, achieving 1% precision at redshift 2.33 and providin…

#lyman-alpha forest#alcock-paczynski test#baryon acoustic oscillations#dark energy
astro-ph.CO2026

Cosmological analysis of the DESI DR1 Lyman alpha 1D power spectrum

J. Chaves-Montero, A. Font-Ribera, P. McDonald +63

We present the cosmological analysis of the one-dimensional Lyman- flux power spectrum from the first data release of the Dark Energy Spectroscopic Instrument (DESI). We captur…

astro-ph.CO2024

DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements

DESI Collaboration, A. G. Adame, J. Aguilar +210

We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman- forest tracers from the first year of observations with the Dark Energy Spectros…

astro-ph.CO2025

Extended Dark Energy analysis using DESI DR2 BAO measurements

K. Lodha, R. Calderon, W. L. Matthewson +122

We conduct an extended analysis of dark energy constraints, in support of the findings of the DESI DR2 cosmology key paper, including DESI data, Planck CMB observations, and three…

astro-ph.CO2025

DESI DR2 Results I: Baryon Acoustic Oscillations from the Lyman Alpha Forest

DESI Collaboration, M. Abdul-Karim, J. Aguilar +147

We present the Baryon Acoustic Oscillation (BAO) measurements with the Lyman-alpha (LyA) forest from the second data release (DR2) of the Dark Energy Spectroscopic Instrument (DESI…

astro-ph.CO2025

Construction of the Damped Ly Absorber Catalog for DESI DR2 Ly BAO

A. Brodzeller, M. Wolfson, D. M. Santos +96

We present the Damped Ly Toolkit for automated detection and characterization of Damped Ly absorbers (DLA) in quasar spectra. Our method uses quasar spectral templates with…

astro-ph.CO2025

Cosmological implications of DESI DR2 BAO measurements in light of the latest ACT DR6 CMB data

C. Garcia-Quintero, H. E. Noriega, A. de Mattia +92

We report cosmological results from the Dark Energy Spectroscopic Instrument (DESI) measurements of baryon acoustic oscillations (BAO) when combined with recent data from the Ataca…

astro-ph.CO2025

DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints

DESI Collaboration, M. Abdul-Karim, J. Aguilar +184

We present baryon acoustic oscillation (BAO) measurements from more than 14 million galaxies and quasars drawn from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (…