{
  "annotation_id": "ba70735e-3c9c-41f0-a6da-5177132226fb",
  "date_created": "2026-03-02T18:01:07.153000Z",
  "date_modified": "2026-03-02T18:01:07.153000Z",
  "file_hash": "a35d6bad9423524a5d41e00e8ef0545f458ed2ee16936e5b368a4da5c0160ec7",
  "private": false,
  "record": {
    "abstract": "The relative effects of variation of the fine structure constant alpha=e^2/hc\nand dimensionless strong interaction parameter m_q/Lambda_{QCD} are enhanced\n5-6 orders of magnitude in very narrow ultraviolet transition between the\nground and first excited state in 229Th nucleus (energy (3.5 +/- 1) eV).\nCorresponding experiment has potential of improving sensitivity to the\nvariation of the fundamental constants by 7-10 orders of magnitude (up to\n10^{-23} per year).",
    "arxiv_id": "physics/0604188",
    "authors": [
      "V. V. Flambaum"
    ],
    "categories": [
      "physics.atom-ph",
      "hep-ph",
      "nucl-ex",
      "nucl-th"
    ],
    "journal_ref": "Phys.Rev.Lett.97,092502(2006)",
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "title": "Enhanced effect of temporal variation of the fine structure constant and   strong interaction in 229Th",
    "url": "https://arxiv.org/abs/physics/0604188"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "82e9c1bc-f9a5-468c-a53f-a21e8813e91a",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}