{
  "annotation_id": "d229e552-2a6f-424f-9c82-e8d71faefbda",
  "date_created": "2026-03-02T18:01:04.185000Z",
  "date_modified": "2026-03-02T18:01:04.185000Z",
  "file_hash": "37660fd373d8ed6e26f43308b14ef38722407f92402f0777390091df9c1fb3c9",
  "private": false,
  "record": {
    "abstract": "The generation of a flat electron beam directly from a photoinjector is an\nattractive alternative to the electron damping ring as envisioned for linear\ncolliders. It also has potential applications to light sources such as the\ngeneration of ultra-short x-ray pulses or Smith-Purcell free electron lasers.\nIn this Letter, we report on the experimental generation of a flat-beam with a\nmeasured transverse emittance ratio of $100\\pm 20.2$ for a bunch charge of\n$\\sim 0.5$ nC; the smaller measured normalized root-mean-square emittance is\n$\\sim 0.4$ $\\mu$m and is limited by the resolution of our experimental setup.\nThe experimental data, obtained at the Fermilab/NICADD Photoinjector\nLaboratory, are compared with numerical simulations and the expected scaling\nlaws.",
    "arxiv_id": "physics/0511011",
    "authors": [
      "P. Piot",
      "Y. -E Sun",
      "K. -J. Kim"
    ],
    "categories": [
      "physics.acc-ph"
    ],
    "doi": "10.1103/PhysRevSTAB.9.031001",
    "journal_ref": "Phys.Rev.STAccel.Beams9:031001,2006",
    "title": "Photoinjector-generation of a flat electron beam with transverse   emittance ratio of 100",
    "url": "https://arxiv.org/abs/physics/0511011"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d585c0ca-3fcf-4160-9327-99ecbcf487ed",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}