BAO Regularization in Paired H0/S8 Fits: A Source-Verified Clean-Core Audit
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| Formato: | Recurso digital |
| Lenguaje: | inglés |
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2026
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| _version_ | 1866901618445778944 |
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| author | Tavella, Danilo |
| author_facet | Tavella, Danilo |
| contents | <p>This technical note presents a source-verified clean-core audit of BAO insertion effects in four paired CosmoMC cosmological fits. The analysis is restricted to provenance-complete paired runs and reconstructs the BAO chi-square from official CosmoMC legacy BAO source files. Within the clean-core subset, BAO insertion is associated with a systematic decrease in H0 and increase in S8, with moderate corrected BAO chi-square and source-level reconstruction agreement at the ~0.003 chi-square level. The result is interpreted strictly as a local diagnostic audit and does not propose a new cosmological model or claim a resolution of the H0/S8 tensions.</p> <p>A supplementary public rerun helper has been added to facilitate independent verification of the clean-core audit from the published archive. It does not replace the frozen reproducibility package.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_20252161 |
| institution | Zenodo |
| language | eng |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | BAO Regularization in Paired H0/S8 Fits: A Source-Verified Clean-Core Audit Tavella, Danilo BAO H0 S8 Hubble tension S8 tension CosmoMC cosmological parameter inference reproducibility audit provenance filtering chi-square reconstruction source verification parameter regularization <p>This technical note presents a source-verified clean-core audit of BAO insertion effects in four paired CosmoMC cosmological fits. The analysis is restricted to provenance-complete paired runs and reconstructs the BAO chi-square from official CosmoMC legacy BAO source files. Within the clean-core subset, BAO insertion is associated with a systematic decrease in H0 and increase in S8, with moderate corrected BAO chi-square and source-level reconstruction agreement at the ~0.003 chi-square level. The result is interpreted strictly as a local diagnostic audit and does not propose a new cosmological model or claim a resolution of the H0/S8 tensions.</p> <p>A supplementary public rerun helper has been added to facilitate independent verification of the clean-core audit from the published archive. It does not replace the frozen reproducibility package.</p> |
| title | BAO Regularization in Paired H0/S8 Fits: A Source-Verified Clean-Core Audit |
| topic | BAO H0 S8 Hubble tension S8 tension CosmoMC cosmological parameter inference reproducibility audit provenance filtering chi-square reconstruction source verification parameter regularization |
| url | https://doi.org/10.5281/zenodo.20252161 |