{
  "annotation_id": "db143acc-c23b-437d-9903-ddbde8aa3772",
  "date_created": "2026-03-02T18:00:57.389000Z",
  "date_modified": "2026-03-02T18:00:57.389000Z",
  "file_hash": "263436d68d2199917481f92118a728a2418106a86a093379f560675d32c75209",
  "private": false,
  "record": {
    "abstract": "We perform ab initio calculations of isotope shifts for isotopes of cesium\n(from A=123 to A=137) and francium (from A=207 to A=228). These calculations\nstart from the relativistic Hartree-Fock method and make use of several\ntechniques to include correlations. The field (volume) isotope shift is\ncalculated by means of an all-order correlation potential method and within the\nsingles-doubles partial triples linearized coupled-cluster approach. Many-body\nperturbation theory in two different formulations is used to calculate the\nspecific mass shift. We discuss the strong points and shortcomings of the\ndifferent approaches and implications for parity nonconservation in atoms.\nChanges in nuclear charge radii are found by comparing the present calculations\nwith experiment.",
    "arxiv_id": "physics/0504103",
    "authors": [
      "V. A. Dzuba",
      "W. R. Johnson",
      "M. S. Safronova"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1103/PhysRevA.72.022503",
    "journal_ref": "Phys. Rev. A 72, 022503 (2005)",
    "title": "Calculation of isotope shifts for cesium and francium",
    "url": "https://arxiv.org/abs/physics/0504103"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "32148495-6b58-4f99-af3a-74d2a1df789d",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}