{
  "annotation_id": "2f1c0a0e-8cb7-49aa-b0f5-176f477a481f",
  "date_created": "2026-03-02T18:00:46.667000Z",
  "date_modified": "2026-03-02T18:00:46.667000Z",
  "file_hash": "65dfbc7ea6a6485cfc0c7933fe48507fccb12f0b02f1ec26048be3960cd6178d",
  "private": false,
  "record": {
    "abstract": "The characteristics of the electron-photon showers initiated by 2 to 10 GeV\nelectrons aligned along the \u003c111\u003e-axis of tungsten crystals are compared with\nthose for the amorphous tungsten . In this energy range, as known, the positron\nyield at the optimal target thicknesses is larger in a crystal case only by\nseveral percent. However, the amount of the energy deposition in a crystal\nturns out to be considerably (by 20 - 50 %) lower than in an amorphous target\nproviding the same positron yield, while the peak energy-deposition density is\napproximately of the same magnitude in the both cases.",
    "arxiv_id": "physics/0307004",
    "authors": [
      "X. Artru",
      "R. Chehab",
      "M. Chevallier",
      "V. Strakhovenko"
    ],
    "categories": [
      "physics.acc-ph"
    ],
    "doi": "10.1103/PhysRevSTAB.6.091003",
    "journal_ref": "Phys.Rev.ST Accel.Beams 6 (2003) 091003",
    "title": "Advantages of axially aligned crystals used in positron production at   future linear colliders",
    "url": "https://arxiv.org/abs/physics/0307004"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "f728ef55-0a78-408a-97a8-eeb235a0ab5d",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}