{
  "access": "open",
  "card": {
    "known_limitations": "Digitisation, not an official release; precision limited by the figure. Smoothed in the module with a ±0.5e-5 eV² running mean.",
    "provenance": "Extracted from the two A_DN(Δm²21) figures of PRD 109, 092001 with the scripts in the same folder (vector paths where available).",
    "validation": "Checked against the published numbers / curves in the verification entries listed above."
  },
  "creators": [
    {
      "kind": "organization",
      "name": "Newtrinos developers"
    }
  ],
  "curation": {
    "added": "2026-10-23",
    "source": "wave 1: Newtrinos.jl / verifications inventory",
    "status": "curated"
  },
  "data": {
    "formats": ["csv"],
    "levels": ["digitized", "binned"]
  },
  "date_published": 2026,
  "description": "The day/night asymmetry from SK's amplitude fit as a function of Δm²21 for SK-IV and for SK-I–IV combined; the amplitude fit is what drives the solar–KamLAND Δm²21 comparison. Digitised / vector-extracted by the Newtrinos developers from published figures; scripts alongside the data.",
  "distributions": [
    {
      "formats": ["csv"],
      "host": "github",
      "label": "Newtrinos.jl repository",
      "role": "primary",
      "url": "https://github.com/Newtrinos-org/Newtrinos.jl/tree/main/src/experiments/super_k/sk_solar_dn_amplitude"
    }
  ],
  "experiments": ["super-k"],
  "id": "newtrinos-sk-solar-dn-amplitude",
  "license": "MIT",
  "license_notes": "as part of Newtrinos.jl; the underlying figures belong to the collaborations / publishers",
  "newtrinos": {
    "modules": ["sk_solar_dn"],
    "verifications": ["10.1103_PhysRevD.109.092001"]
  },
  "owner": {
    "kind": "organization",
    "name": "Newtrinos-org"
  },
  "references": [
    {
      "arxiv": "2312.12907",
      "citation": "A_DN vs Δm²21 figures",
      "doi": "10.1103/PhysRevD.109.092001",
      "relation": "uses"
    }
  ],
  "relations": [
    {
      "rel": "derived_from",
      "target": "doi:10.1103/PhysRevD.109.092001"
    }
  ],
  "short": "Super-K SK-IV and SK-I–IV day/night amplitude-fit curves A_DN(Δm²21), vector-extracted",
  "sources": ["solar"],
  "title": "Super-K solar day/night amplitude A_DN vs Δm²21, extracted from PRD 109, 092001",
  "topics": ["oscillation", "earth-model"],
  "type": "dataset"
}