The H 0 World Cup. I. Summary of the baseline group stage results

arXiv:2607.13282 · astro-ph.CO, hep-ph · Submitted 2026-07-14 · Read on arXiv

Nils Schöneberg, Vivian Poulin, Angelo G. Ferrari, Fabio Finelli, Julien Lesgourgues, Luca Morelli, Markus R. Mosbech, Ravi Kumar Sharma, Théo Simon

astro-ph.CO, hep-ph

Submitted: 2026-07-14

Comments: 8 pages, 1 figure, 1 table

Code: https://github.com/tkarwal/procoli

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 10× in this paper · explained in 7 episodes
• Hubble Tension — 3× in this paper · explained in 9 episodes
• Robustness — 3× in this paper · explained in 5 episodes
• Benchmark — 2× in this paper · explained in 2 episodes
• Cold Dark Matter — 2× in this paper
• ACT Data — 1× in this paper · explained in 1 episode
• Akaike Information Criterion — 1× in this paper
• Benchmarking — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Decoupling — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Primordial Magnetic Fields — 1× in this paper · explained in 2 episodes
• Symmetry Breaking — 1× in this paper · explained in 3 episodes

Sources

• The Local Distance Network: a community consensus report on the measurement of the Hubble constant at 1% precision
• SPT-3G D1: CMB temperature and polarization power spectra and cosmology from 2019 and 2020 observations of the SPT-3G Main field
• In the Realm of the Hubble tension $-$ a Review of Solutions
• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• The $H_0$ Olympics: A fair ranking of proposed models
• Early or phantom dark energy, self-interacting, extra, or massive neutrinos, primordial magnetic fields, or a curved universe: An exploration of possible solutions to the $H_0$ and $\sigma_8$ problems
• Review of Hubble tension solutions with new SH0ES and SPT-3G data
• The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models
• Planck intermediate results. LVII. Joint Planck LFI and HFI data processing
• The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $\Lambda$CDM Parameters
• The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters
• Cosmology From CMB Lensing and Delensed EE Power Spectra Using 2019-2020 SPT-3G Polarization Data
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• DESI DR2 Results I: Baryon Acoustic Oscillations from the Lyman Alpha Forest
• The Pantheon+ Analysis: Cosmological Constraints
• Extended Dark Energy analysis using DESI DR2 BAO measurements
• Quintessence and the Separation of CMB Peaks
• Phenomenological parameterization of quintessence
• Early Dark Energy Cosmologies
• Dark energy from the string axiverse

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