Cosmological preference for a positive neutrino mass at 2.7 sigma: A joint analysis of DESI DR2, DESY5, and DESY1 data

arXiv:2507.16589 · astro-ph.CO, gr-qc, hep-ph, hep-th · Submitted 2025-07-22 · Read on arXiv

astro-ph.CO, gr-qc, hep-ph, hep-th

Submitted: 2025-07-22

Updated: 2026-06-23

Terminology

• Weak Lensing — 11× in this paper · explained in 2 episodes
• Robustness — 8× in this paper · explained in 5 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Clustering — 2× in this paper · explained in 2 episodes
• Decoupling — 2× in this paper · explained in 2 episodes
• Reheating — 2× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Markov Chain Monte Carlo — 1× in this paper
• Quintessence — 1× in this paper · explained in 2 episodes

Sources

• The fate of hints: updated global analysis of three-flavor neutrino oscillations
• 2020 Global reassessment of the neutrino oscillation picture
• Direct neutrino-mass measurement based on 259 days of KATRIN data
• Cosmological constraints on neutrinos after BICEP2
• Sterile neutrinos help reconcile the observational results of primordial gravitational waves from Planck and BICEP2
• Neutrino Physics from the Cosmic Microwave Background and Large Scale Structure
• Constraining Neutrino Mass with the Tomographic Weak Lensing Bispectrum
• Forecast for weighing neutrinos in cosmology with SKA
• Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements
• Planck 2018 results. VI. Cosmological parameters
• Weighing neutrinos in dynamical dark energy models
• Impacts of dark energy on weighing neutrinos after Planck 2015
• Constraining neutrino mass and extra relativistic degrees of freedom in dynamical dark energy models using Planck 2015 data in combination with low-redshift cosmological probes: basic extensions to $\Lambda$CDM cosmology
• Dark Energy Constraints from the Cosmic Age and Supernova
• Effects of neutrino mass hierarchies on dynamical dark energy models
• Updated Bounds on Sum of Neutrino Masses in Various Cosmological Scenarios
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• Interacting Dark Energy after DESI Baryon Acoustic Oscillation measurements
• Constraints on Interacting Dark Energy Models from the DESI Baryon Acoustic Oscillation and DES Supernovae Data
• Quantifying the $S_8$ tension and evidence for interacting dark energy from redshift-space distortion measurements

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