[ Open Data · 2026-10-17 ]
Riemann Zero vs Nuclear Resonance Dataset
Everything behind section 2d of the Verification ledger, so anyone can rerun it. Put the files in one folder and run python compare.py (needs numpy and scipy).
Downloads
- Rank-paired spacings, all seven nuclei (CSV) rank-paired-spacings.csv
- Computed statistics (JSON) results.json
- Python script that produces both files compare.py
- First 2000 Riemann zeros (Odlyzko) zeros-first2000.txt
- Provenance and rerun instructions README.txt
Nuclear data (resonance sections)
Each file is the MF2/MT151 resonance section copied unchanged from the ENDF/B-VII.1 neutron library, gzip-compressed. Checksums refer to the uncompressed section.
| Nucleus | Levels | Range (eV) | Mean spacing (eV) | File |
|---|---|---|---|---|
| U-238 | 897 | 0–19985 | 22.18 | n-092_U_238.mf2.endf.gz |
| Pu-240 | 267 | 0–5692 | 21.89 | n-094_Pu_240.mf2.endf.gz |
| Th-232 | 242 | 0–3980 | 16.58 | n-090_Th_232.mf2.endf.gz |
| Gd-154 | 162 | 0–2752 | 16.93 | n-064_Gd_154.mf2.endf.gz |
| U-234 | 118 | 0–1492 | 12.80 | n-092_U_234.mf2.endf.gz |
| Er-166 | 115 | 0–4985 | 41.49 | n-068_Er_166.mf2.endf.gz |
| Er-168 | 101 | 0–14862 | 148.49 | n-068_Er_168.mf2.endf.gz |
CSV columns
isotope, rank, level_E_eV, next_level_E_eV, level_spacing_norm (unfolded, mean 1), zero_gamma, next_zero_gamma, zero_spacing_norm (unfolded, mean 1).
Nominal iid KS diagnostics; correlated spacings, fitted unfolding and missed weak levels are not calibrated. Rank pairing is a bookkeeping alignment, not a physical match.