{
  "annotation_id": "b2c16107-eef5-4887-b6c6-90a44bdad521",
  "date_created": "2026-03-02T18:00:42.411000Z",
  "date_modified": "2026-03-02T18:00:42.411000Z",
  "file_hash": "e4150acf3f17fb45c00bef7b5ecfb0302c434049d0b8b65b935a99c5050ec567",
  "private": false,
  "record": {
    "abstract": "Beam-beam simulations predict that PEP-II luminosity can be increased by\noperating the horizontal betatron tune near and above a half-integer resonance.\nHowever, effects of the resonance and its synchrotron sidebands significantly\nenhance betatron and chromatic perturbations which tend to reduce dynamic\naperture. In the study, chromatic variation of horizontal tune near the\nresonance was minimized by optimizing local sextupoles in the Interaction\nRegion. Dynamic aperture was calculated using tracking simulations in LEGO\ncode. Dependence of dynamic aperture on the residual orbit, dispersion and\ndistortion of beta function after correction was investigated.",
    "arxiv_id": "physics/0305086",
    "authors": [
      "Y. Cai",
      "Y. Nosochkov"
    ],
    "categories": [
      "physics.acc-ph"
    ],
    "journal_ref": "Conf.Proc.C030512:2291,2003",
    "title": "Tracking Simulations Near Half-Integer Resonance at PEP-II",
    "url": "https://arxiv.org/abs/physics/0305086"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "008872a8-620b-4f59-b86d-f011f52b2967",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}