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    "title": "Borexino constrains a mantle geoneutrino contribution",
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    "area": "Neutrino physics",
    "topic": "Physics",
    "year": 2019,
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      "scope": "Borexino analyzed 3262.74 days of data and obtained a fitted geoneutrino signal of 47.0 terrestrial neutrino units, with approximately 18% total uncertainty under its assumed thorium-to-uranium ratio. Incorporating a model for the local and broader lithosphere, the authors reported a nonzero mantle contribution at 99% confidence. The analysis statistically separates spectral components and relies on detector efficiency, background models, neutrino oscillation parameters and local crust composition; it does not assign individual events to the mantle. The mantle significance is conditional on the lithospheric model. The total radiogenic-heat estimate additionally assumes a potassium contribution and mantle elemental distribution; it is not a direct calorimetric measurement.",
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        "description": "The analysis statistically separates spectral components and relies on detector efficiency, background models, neutrino oscillation parameters and local crust composition; it does not assign individual events to the mantle. The mantle significance is conditional on the lithospheric model. The total radiogenic-heat estimate additionally assumes a potassium contribution and mantle elemental distribution; it is not a direct calorimetric measurement.",
        "domain": "Neutrino physics"
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      "statement": "# Borexino constrains a mantle geoneutrino contribution\n\nBorexino analyzed 3262.74 days of data and obtained a fitted geoneutrino signal of 47.0 terrestrial neutrino units, with approximately 18% total uncertainty under its assumed thorium-to-uranium ratio. Incorporating a model for the local and broader lithosphere, the authors reported a nonzero mantle contribution at 99% confidence.\n\n## Scientific scope\n\nThe analysis statistically separates spectral components and relies on detector efficiency, background models, neutrino oscillation parameters and local crust composition; it does not assign individual events to the mantle. The mantle significance is conditional on the lithospheric model. The total radiogenic-heat estimate additionally assumes a potassium contribution and mantle elemental distribution; it is not a direct calorimetric measurement.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nM. Agostini; K. Altenmüller; S. Appel\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [Comprehensive geoneutrino analysis with Borexino](https://arxiv.org/pdf/1909.02257v1)\n",
      "summary": "Borexino analyzed 3262.74 days of data and obtained a fitted geoneutrino signal of 47.0 terrestrial neutrino units, with approximately 18% total uncertainty under its assumed thorium-to-uranium ratio. Incorporating a model for the local and broader lithosphere, the authors reported a nonzero mantle contribution at 99% confidence.",
      "title": "Borexino constrains a mantle geoneutrino contribution"
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    "id": "borexino-geoneutrino-mantle-analysis-2019",
    "entry_id": "borexino-geoneutrino-mantle-analysis-2019",
    "revision": 1,
    "title": "Borexino constrains a mantle geoneutrino contribution",
    "context": "Neutrino physics",
    "track": "Source-reported experimental result or reusable measurement method",
    "band": "B",
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    "what_changed": "Borexino analyzed 3262.74 days of data and obtained a fitted geoneutrino signal of 47.0 terrestrial neutrino units, with approximately 18% total uncertainty under its assumed thorium-to-uranium ratio. Incorporating a model for the local and broader lithosphere, the authors reported a nonzero mantle contribution at 99% confidence.",
    "scope": "Borexino analyzed 3262.74 days of data and obtained a fitted geoneutrino signal of 47.0 terrestrial neutrino units, with approximately 18% total uncertainty under its assumed thorium-to-uranium ratio. Incorporating a model for the local and broader lithosphere, the authors reported a nonzero mantle contribution at 99% confidence. The analysis statistically separates spectral components and relies on detector efficiency, background models, neutrino oscillation parameters and local crust composition; it does not assign individual events to the mantle. The mantle significance is conditional on the lithospheric model. The total radiogenic-heat estimate additionally assumes a potassium contribution and mantle elemental distribution; it is not a direct calorimetric measurement.",
    "evidence_summary": "The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The analysis statistically separates spectral components and relies on detector efficiency, background models, neutrino oscillation parameters and local crust composition; it does not assign individual events to the mantle. The mantle significance is conditional on the lithospheric model. The total radiogenic-heat estimate additionally assumes a potassium contribution and mantle elemental distribution; it is not a direct calorimetric measurement.",
    "references": [
      {
        "title": "Comprehensive geoneutrino analysis with Borexino",
        "url": "https://arxiv.org/pdf/1909.02257v1",
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