{
  "created": "2026-02-22T19:06:21.667217+00:00",
  "id": 93949,
  "metadata": {
    "$schema": "http://opendata.cern.ch/schema/records/record-v1.0.0.json",
    "_availability_details": {
      "online": 1
    },
    "_file_indices": [],
    "abstract": {
      "description": "Data from proton-proton (pp) collisions collected by the LHCb experiment filtered to produce ntuples for exploring $B^{\\pm} \\to J/\\psi (\\to \\mu^{+} \\mu^{-}) K^{\\pm}$ decays."
    },
    "accelerator": "CERN-LHC",
    "availability": "online",
    "collaboration": {
      "name": "LHCb collaboration"
    },
    "collections": [
      "LHCb-Collision-Datasets"
    ],
    "collision_information": {
      "energy": "13TeV",
      "type": "pp"
    },
    "date_created": [
      "2017"
    ],
    "date_published": "2026",
    "date_reprocessed": "2026",
    "distribution": {
      "formats": [
        "root"
      ],
      "number_files": 1,
      "size": 2075441594
    },
    "experiment": [
      "LHCb"
    ],
    "files": [
      {
        "checksum": "adler32:4a34339c",
        "filename": "00334566_00000001_1.dvntuple.root",
        "size": 2075441594,
        "uri_http": "http://opendata.cern.ch/record/93949/files/00334566_00000001_1.dvntuple.root",
        "uri_root": "root://eospublic.cern.ch//eos/opendata/lhcb/CollisionNtuples/OPENDATA.LHCB.EBYF.C7OY/outputs/real-production/00334566_00000001_1.dvntuple.root"
      }
    ],
    "index_files": [],
    "magnet_polarity": "MagUp",
    "methodology": {
      "description": "<p>These ntuples were produced from the LHCb Open Data Ntupling Service user request 4530. Please see the input configuration files <a href=\"/record/93945\">here</a>.</p>"
    },
    "pids": {
      "oai": {
        "id": "oai:cernopendata.cern:93949"
      }
    },
    "publisher": "CERN Open Data portal",
    "recid": "93949",
    "relations": [
      {
        "recid": "93945",
        "type": "isChildOf"
      }
    ],
    "run_period": [
      "2017"
    ],
    "stripping": {
      "stream": "DIMUON",
      "version": "stripping29r2p1"
    },
    "title": "[$B^{\\pm} \\to J/\\psi (\\to \\mu^{+} \\mu^{-}) K^{\\pm}$]CC Ntuples 4530 -- 2017 Magnet Up",
    "type": {
      "primary": "Dataset",
      "secondary": [
        "Collision"
      ]
    },
    "usage": {
      "description": "<p>You can use these ntuples with <a href=\"https://root.cern.ch/\">ROOT</a> data analysis framework. See documentation and examples here:</p>",
      "links": [
        {
          "description": "LHCb Open Data Ntupling Service Usage Guide",
          "url": "https://lhcb-opendata-guide.web.cern.ch/ntupling-service/"
        },
        {
          "description": "First LHCb Open Data and Ntuple Wizard Workshop",
          "url": "https://indico.cern.ch/event/1429526/timetable/#20241022.detailed"
        },
        {
          "description": "B2JpsiK analysis example",
          "url": "https://github.com/reanahub/reana-demo-lhcb-run2-b2jpsik"
        }
      ]
    }
  },
  "updated": "2026-02-22T19:44:08.082231+00:00"
}