{
  "access": "open",
  "creators": [
    {
      "kind": "collaboration",
      "name": "IceCube Collaboration"
    }
  ],
  "curation": {
    "added": "2026-10-23",
    "quality_notes": ["metadata from DataCite; physics tags assigned by the curator from title and abstract"],
    "source": "IceCube Harvard Dataverse collection (subtree icecube)",
    "status": "curated"
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  "data": {
    "levels": ["events", "response", "likelihood"]
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  "date_published": "2025",
  "description": "<h1 id=\"summary\">Summary</h1>\n\n<p>Title: Data Release for A search for extremely-high-energy neutrinos and first constraints on the ultra-high-energy cosmic-ray proton fraction with IceCube</p>\n\n<p>The IceCube observatory analyzed 12.6 years of data\n\nin search of extremely-high-energy (EHE) neutrinos above 5 PeV.\n\nThe resultant limit of the search (Fig 1),\n\nand the effective area of the event selection (Fig 7),\n\nare provided in this data release.</p>\n\n<h1 id=\"contents\">Contents</h1>\n\n<ul>\n\n<li><p>README file: this file</p>\n\n</li>\n\n<li><p><code>differential_limit_and_sensitivity.csv</code>: a comma separated value file,\n\ngiving the observed experimental differential limit,\n\nand sensitivity, of the search as a function of neutrino energy.\n\nThis is the content of Fig 1 in the paper.\n\nThe first column is the neutrino energy in GeV.\n\nThe second column is the limit in units of GeV/cm2/s/sr.\n\nThe third column is the sensitivity in units of GeV/cm2/s/sr.</p>\n\n</li>\n\n<li><p><code>effective_area.csv</code>: a comma separated value file,\n\ngiving the effective area of the search as a function of energy.\n\nThis is the content of Fig 7 in the paper.\n\nThe first column is the neutrino energy in GeV.\n\nThe second column is the total effective area of the search,\n\nsummed across neutrino flavors,\n\nand averaged across neutrinos and antineutrinos, in meters-squared.\n\nThe third column is the effective area of the search for the average of electron neutrino and electron antineutrinos in units of meters-squared.\n\nThe fourth …",
  "distributions": [
    {
      "host": "dataverse",
      "role": "primary",
      "url": "https://doi.org/10.7910/DVN/JHK49D"
    }
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  "doi": "10.7910/DVN/JHK49D",
  "experiments": ["icecube"],
  "id": "icecube-ehe-12-6y",
  "license": "CC0-1.0",
  "license_url": "https://creativecommons.org/publicdomain/zero/1.0/legalcode",
  "publisher": {
    "kind": "organization",
    "name": "Harvard Dataverse"
  },
  "relations": [
    {
      "rel": "is_part_of",
      "target": "icecube-data-releases"
    }
  ],
  "short": "IceCube 12.6-year extremely-high-energy neutrino search: data release",
  "sources": ["cosmogenic", "astrophysical"],
  "title": "Data release for A search for extremely-high-energy neutrinos and first constraints on the ultra-high-energy cosmic-ray proton fraction with IceCube",
  "topics": ["flux"],
  "type": "dataset",
  "url_landing": "https://dataverse.harvard.edu/citation?persistentId=doi:10.7910/DVN/JHK49D",
  "version": "1.0"
}