{
  "annotation_id": "57ae702d-4f0d-4397-992a-778616ad103f",
  "date_created": "2026-03-02T18:00:53.181000Z",
  "date_modified": "2026-03-02T18:00:53.181000Z",
  "file_hash": "290ae4c109617116135b37e8ebbabb074ae9b647c80482030341d9d1bf4aea79",
  "private": false,
  "record": {
    "abstract": "Long lead-scintillator sandwich modules developed for the BNL experiment\nKOPIO are described. The individual 4 m long module consists of 15 layers of 7\nmm thick extruded scintillator and 15 layers of 1 mm lead absorber. Readout is\nimplemented via WLS fibers glued into grooves in a scintillator with 7 mm\nspacing and viewed from both ends by the phototubes. Time resolution of 300 ps\nfor cosmic MIPs was obtained. Light output stability monitored for 2 years\nshows no degradation beyond the measurement errors. A 4 m long C-bent sandwich\nmodule was also manufactured and tested.",
    "arxiv_id": "physics/0410080",
    "authors": [
      "N. Yershov",
      "M. Khabibullin",
      "Yu. Kudenko",
      "L. Littenberg",
      "V. Mayatski",
      "O. Mineev"
    ],
    "categories": [
      "physics.ins-det"
    ],
    "doi": "10.1016/j.nima.2004.11.051",
    "journal_ref": "Nucl.Instrum.Meth. A543 (2005) 454-462",
    "title": "Long sandwich modules for photon veto detectors",
    "url": "https://arxiv.org/abs/physics/0410080"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d8281cd5-ce34-4975-a6dc-8061d541573e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}