{
  "access": "open",
  "channels": ["cc", "nc"],
  "creators": [
    {
      "kind": "collaboration",
      "name": "OPERA Collaboration"
    }
  ],
  "curation": {
    "added": "2026-10-23",
    "quality_notes": ["two DOIs (electronic, emulsion); the per-event records are covered by the collection"],
    "source": "wave 1b: CERN Open Data API",
    "status": "curated"
  },
  "data": {
    "levels": ["events"]
  },
  "date_published": 2018,
  "description": "Event-level data released by OPERA on the CERN Open Data portal for charged-track multiplicity studies: electronic-detector data (10.7483/OPENDATA.OPERA.HJC7.3DCC) and emulsion data (10.7483/OPENDATA.OPERA.BVC1.UI85), with per-event records for the candidate events.",
  "distributions": [
    {
      "host": "cern-opendata",
      "label": "electronic-detector data",
      "role": "primary",
      "url": "https://doi.org/10.7483/OPENDATA.OPERA.HJC7.3DCC"
    },
    {
      "host": "cern-opendata",
      "label": "emulsion data",
      "role": "primary",
      "url": "https://doi.org/10.7483/OPENDATA.OPERA.BVC1.UI85"
    }
  ],
  "experiments": ["opera"],
  "id": "opera-multiplicity-open-data",
  "license": "CC0-1.0",
  "publisher": {
    "kind": "organization",
    "name": "CERN Open Data Portal"
  },
  "relations": [
    {
      "rel": "is_part_of",
      "target": "opera-cern-open-data"
    }
  ],
  "short": "OPERA electronic-detector and emulsion data for charged-track multiplicity studies (CERN Open Data, CC0)",
  "sources": ["accelerator"],
  "title": "OPERA open data for charged-track multiplicity studies",
  "topics": ["cross-section"],
  "type": "dataset",
  "url_landing": "https://doi.org/10.7483/OPENDATA.OPERA.HJC7.3DCC"
}