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The Aeon Before Ours · source record · paper

Searching for ring-like structures in the cosmic microwave background

López, M.; Bonizzi, P.; Driessens, K.; Koekoek, G.; de Vries, J. W.; Westra, D. · 2022

AI-verified citationSRC-LOPEZ-2022
identifier / locator
Monthly Notices of the Royal Astronomical Society 519(1): 922–930. DOI: 10.1093/mnras/stac3485 (arXiv:2105.03990)
verification note
DOI and bibliographic details confirmed via Crossref (author list truncated there; first five family names verified). Abstract confirmed via the arXiv API. Crossref registers online publication in 2022; the issue is 519(1), January 2023.
reliability notes
  • Independent Hawking-point search with a purpose-built ring-detection method validated on synthetic CCC signals (95% retrieval): no significant structures in Planck maps, with a small 1%-level excess of candidates honestly reported.

Evidence drawn from this source

Undermines· moderateCCC-E011

López et al. 2022: purpose-built ring detector finds no significant structures

what the source states
A ring-detection method validated on an artificial dataset of Hawking points constructed according to CCC ("we were able to retrieve 95% of ring-like anomalies from it") was applied to Planck maps and compared against ΛCDM simulations: "Even though no significant ring-like structures were observed, we report the largest excess of HP candidates found at α = 1% significance level for the analyzed sky maps (CMB at 70GHz, SEVEM, SMICA, and Commander-Ruler)."
what we infer
An independent group that built a detector demonstrably capable of finding CCC-style Hawking points (95% retrieval on synthetic signals) and then failed to find a significant population in the real sky — which answers the objection that critics' methods might simply be insensitive to the predicted signal. The honestly reported 1%-level candidate excess is the kind of residue only a preregistered follow-up can adjudicate.
limitations
  • The synthetic training signals encode one specific reading of CCC's qualitative prediction; a different profile assumption could change sensitivity.
López, M. (2022)AI-verified citationCCC-C004