{
  "access": "open",
  "card": {
    "composition": "IBD candidates per AD with daily livetime/efficiency, accidental rates, background spectra and rates, reactor power and fission fractions, detector response (IAV, LSNL, resolution) and their uncertainties.",
    "dphep_level": 3,
    "fair": {
      "accessible": true,
      "findable": true,
      "interoperable": true,
      "reusable": true
    },
    "intended_use": "Reproduce or extend the PRL 130, 161802 oscillation fit; include Daya Bay in global fits; sterile-neutrino or BSM fits of the far/near ratio.",
    "known_limitations": "The published Δχ² table is slightly wider at low values than both the official code and Newtrinos. Huber–Mueller spectral uncertainties are not included in the official default fit.",
    "maintenance": "Versioned on Zenodo (v1.0.0); feedback via GitHub issues of dayabay-data-official.",
    "out_of_scope_use": "Absolute reactor-flux or spectral-shape studies need the separate Daya Bay flux/spectrum releases; nH-capture sample not included.",
    "provenance": "Official collaboration release (Zenodo, 2025) with identical mirrors at NHEPSDC; analysis inputs as used for PRL 130, 161802.",
    "summary": "The final Daya Bay nGd data set with everything needed to redo the published θ13 / Δm²32 measurement. Aimed at\nanyone fitting reactor oscillation data, including global fits.",
    "systematics": "Full nuisance model available through the official dayabay-model code (~180 nuisance parameters); a Δχ² table is part of the release.",
    "usage_examples": "pip install dayabay-model-official; examples in github.com/dagflow-team/dayabay-analysis. Newtrinos: `Newtrinos.daya_bay_3158days`.",
    "validation": "Newtrinos reproduces the official model prediction to <1e-4 per bin (546 bins) and the official fit (sin²2θ13 0.08536 vs 0.08538, Δm²32 2.4748 vs 2.4746 ×10⁻³ eV²), see the verification entry 10.5281_zenodo.17587229."
  },
  "channels": ["ibd"],
  "cite_as": ["Daya Bay Collaboration, Full Data Release of the Daya Bay Reactor Neutrino Experiment, v1.0.0, Zenodo (2025), doi:10.5281/zenodo.17587229", "doi:10.1103/PhysRevLett.130.161802"],
  "collaborations": ["Daya Bay"],
  "creators": [
    {
      "kind": "collaboration",
      "name": "Daya Bay Collaboration"
    }
  ],
  "curation": {
    "added": "2026-10-23",
    "added_by": "Newtrinos team",
    "last_reviewed": "2026-10-23",
    "source": "manual",
    "status": "verified"
  },
  "data": {
    "binning": "analysis dataset: 26 reconstructed-energy bins × 8 ADs × 3 periods",
    "has_covariance": true,
    "has_mc": false,
    "has_systematics_model": true,
    "levels": ["events", "binned", "response", "systematics", "likelihood"],
    "n_events": 5550000,
    "observables": ["reconstructed prompt energy", "event time", "detector"],
    "result_of": "10.1103/PhysRevLett.130.161802",
    "usage_code": "https://github.com/dagflow-team/dayabay-model-official"
  },
  "date_published": "2025-11-15",
  "description": "The complete nGd inverse-beta-decay sample of Daya Bay (8 antineutrino detectors, 2011–2020, 3158 days) with\ndaily livetimes and efficiencies, accidental-background rates and all inputs of the final oscillation analysis\n(Phys. Rev. Lett. 130, 161802). Two variants: the *full dataset* (event level, ~200 MB per format) and the\n*analysis dataset* (per-period IBD histograms and inputs, ~1 MB per format), each in HDF5, NPZ, ROOT and TSV.",
  "detector_technologies": ["liquid-scintillator"],
  "distributions": [
    {
      "formats": ["hdf5", "npy", "root", "csv"],
      "host": "zenodo",
      "n_files": 8,
      "notes": "full_dataset_* (~200 MB each) and analysis_dataset_* (~1.4 MB each) zip archives in four formats",
      "role": "primary",
      "size_bytes": 820971896,
      "url": "https://doi.org/10.5281/zenodo.17587229"
    },
    {
      "host": "institutional",
      "label": "NHEPSDC (China)",
      "role": "mirror",
      "url": "https://doi.org/10.12402/opendata/DYB/20251205202440"
    },
    {
      "host": "github",
      "label": "analysis dataset only",
      "role": "mirror",
      "url": "https://github.com/dayabay-experiment/dayabay-data-official"
    },
    {
      "host": "package-registry",
      "label": "analysis dataset only (PyPI)",
      "role": "mirror",
      "url": "https://pypi.org/project/dayabay-data-official"
    }
  ],
  "doi": "10.5281/zenodo.17587229",
  "energy_range": {
    "max": 12,
    "min": 0.7,
    "quantity": "reconstructed prompt energy",
    "unit": "MeV"
  },
  "experiments": ["daya-bay"],
  "exposure": "3158 days, 8 ADs, 5.55 million nGd IBD candidates",
  "flavors": ["nuebar"],
  "id": "daya-bay-full-data-release",
  "license": "CC-BY-4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/legalcode",
  "maintainers": [
    {
      "contact": "yuzy@ihep.ac.cn",
      "name": "Zeyuan Yu"
    },
    {
      "contact": "gonchar@jinr.ru",
      "name": "Maxim Gonchar"
    }
  ],
  "newtrinos": {
    "modules": ["daya_bay_3158days", "reactor_flux", "ibd_xsec"],
    "verifications": ["10.5281_zenodo.17587229", "10.1103_PhysRevLett.130.161802"]
  },
  "period": {
    "end": "2020-12",
    "start": "2011-12"
  },
  "publisher": {
    "kind": "organization",
    "name": "Zenodo"
  },
  "references": [
    {
      "doi": "10.1103/PhysRevLett.130.161802",
      "relation": "describes"
    },
    {
      "arxiv": "2211.14988",
      "relation": "describes"
    }
  ],
  "short": "Daya Bay: all 5.55 M nGd IBD candidates (3158 days) plus every input needed for the θ13 / Δm²32 fit",
  "sources": ["reactor"],
  "title": "Full Data Release of the Daya Bay Reactor Neutrino Experiment",
  "topics": ["oscillation"],
  "type": "dataset",
  "url_landing": "https://zenodo.org/doi/10.5281/zenodo.17587229",
  "used_by": [
    {
      "kind": "software",
      "label": "dayabay-analysis",
      "notes": "official analysis examples and the full oscillation fit",
      "target": "https://github.com/dagflow-team/dayabay-analysis"
    }
  ],
  "version": "1.0.0"
}