{
  "annotation_id": "29a7ffbd-e01f-4e06-82fd-3c85ace04ea1",
  "date_created": "2026-03-02T18:00:32.371000Z",
  "date_modified": "2026-03-02T18:00:32.371000Z",
  "file_hash": "cf9f477309c6cc9885078f8aa1dcf8c031e57984cde947af434d824002322380",
  "private": false,
  "record": {
    "abstract": "Recent advances in electron and positron sources have resulted in new\ncapabilities driven in most cases by the increasing demands of advanced\naccelerating systems. Electron sources for brighter beams and for high\naverage-current beams are described. The status and remaining challenges for\npolarized electron beams are also discussed. For positron sources, recent\nactivity in the development of polarized positron beams for future colliders is\nreviewed. Finally, a new proposal for combining laser cooling with beam\npolarization is presented.",
    "arxiv_id": "physics/0008018",
    "authors": [
      "J. E. Clendenin"
    ],
    "categories": [
      "physics.acc-ph"
    ],
    "doi": "10.1063/1.1384384",
    "journal_ref": "AIP Conf.Proc. 569 (2000) 563-570",
    "title": "Recent Advances in Electron and Positron Sources",
    "url": "https://arxiv.org/abs/physics/0008018"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "8c4073c5-5f87-4b7f-9f47-35c91248fd6a",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}