{
  "annotation_id": "306a8ccb-2aaa-464b-8112-8571e6691cc9",
  "date_created": "2026-03-02T18:01:04.115000Z",
  "date_modified": "2026-03-02T18:01:04.115000Z",
  "file_hash": "735c1c4c2a5d0b99569a46364fb23915649e0637ae60d1724b7e9524044c4df2",
  "private": false,
  "record": {
    "abstract": "We propose an experiment to search for a permanent atomic electric-dipole\nmoment (EDM) using laser-cooled $^{171}$Yb atoms launched in an atomic\nfountain. A uniform B field sets the quantization axis, and the Ramsey\nseparated-oscillatory-fields method is used to measure the Zeeman precession\nfrequency of the atoms. Laser beams of appropriate polarization are used for\npreparation and detection in a given magnetic sublevel. The signature of an EDM\nis a shift in the Ramsey resonance correlated with application of a large E\nfield. The precision is expected to be at least 20 times better than current\nlimits because the use of a cold atomic beam allows application of E field 10\ntimes larger than in a vapor cell, and the interaction time with the E field is\n200 times larger compared to a thermal beam. The leading source of systematic\nerror in beam experiments, the (E x v/c) motional magnetic field, is reduced\nconsiderably because of the near-perfect reversal of velocity between up and\ndown trajectories through the E-field region.",
    "arxiv_id": "physics/0510087",
    "authors": [
      "Vasant Natarajan"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1140/epjd/e2004-00175-2",
    "journal_ref": "Eur. Phys. J. D 32, 33-38 (2005)",
    "title": "Proposed search for an electric-dipole moment using laser-cooled   $^{171}$Yb atoms",
    "url": "https://arxiv.org/abs/physics/0510087"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ddb17858-1459-4e01-b298-c10e7969f75f",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}