{
  "annotation_id": "9c943693-2444-401c-a0e4-50739dbaa452",
  "date_created": "2026-03-02T18:01:14.529000Z",
  "date_modified": "2026-03-02T18:01:14.529000Z",
  "file_hash": "fc7ffbfa3f080b33393d1136e8a9935717c08a715448024ccb3fcb46659b22d3",
  "private": false,
  "record": {
    "abstract": "At linear colliders, the e+e- luminosity is limited by beam-collision\neffects, which determine the required emittances of beams in damping rings\n(DRs). While in gamma-gamma collisions at the photon collider, these effects\nare absent, and so smaller emittances are desirable. In present damping rings\ndesigns, nominal DR parameters correspond to those required for e+e-\ncollisions. In this note, I would like to stress once again that as soon as we\nplan the photon-collider mode of ILC operation, the damping-ring emittances are\ndictated by the photon-collider requirements--namely, they should be as small\nas possible. This can be achieved by adding more wigglers to the DRs; the\nincremental cost is easily justified by a considerable potential improvement of\nthe gamma-gamma luminosity. No expert analysis exists as of yet, but it seems\nrealistic to obtain a factor five increase of the gamma-gamma luminosity\ncompared to the ``nominal\u0027\u0027 DR design.",
    "arxiv_id": "physics/0610285",
    "authors": [
      "V. I. Telnov"
    ],
    "categories": [
      "physics.acc-ph",
      "physics.ins-det"
    ],
    "doi": "10.1007/s12043-007-0212-4",
    "journal_ref": "Pramana69:957-962,2007",
    "title": "Ultimate parameters of the photon collider at the ILC",
    "url": "https://arxiv.org/abs/physics/0610285"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "9b788be1-2c9b-40d0-8e55-cb5807b5a402",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}