{
  "annotation_id": "fec73591-2cd4-473d-9993-e4ea7150b8c4",
  "date_created": "2026-03-02T18:01:21.413000Z",
  "date_modified": "2026-03-02T18:01:21.413000Z",
  "file_hash": "11beeeb8738b0b2ef2387d52f1de8976260a1a54d5ab5bc098a477442b829275",
  "private": false,
  "record": {
    "abstract": "We present a procedure for calculating an upper limit on the number of signal\nevents which incorporates the Poisson uncertainty in the background, estimated\nfrom control regions of one or two dimensions. For small number of signal\nevents, the upper limit obtained is more stringent than that extracted without\nincluding the Poisson uncertainty. This trend continues until the number of\nbackground events is comparable with the signal. When the number of background\nevents is comparable or larger than the signal, the upper limit obtained is\nless stringent than that extracted without including the Poisson uncertainty.\nIt is therefore important to incorporate the Poisson uncertainty into the upper\nlimit; otherwise the upper limit obtained could be too stringent.",
    "arxiv_id": "physics/9707020",
    "authors": [
      "K. K. Gan"
    ],
    "categories": [
      "physics.data-an",
      "hep-ex"
    ],
    "doi": "10.1016/S0168-9002(98)80030-2",
    "journal_ref": "Nucl.Instrum.Meth. A412 (1998) 475-482",
    "title": "Incorporation of the statistical uncertainty in the background estimate   into the upper limit on the signal",
    "url": "https://arxiv.org/abs/physics/9707020"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e926e04b-446e-48a8-99a2-2d44a1f57952",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}