{
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  "date_created": "2026-03-02T18:00:56.755000Z",
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  "record": {
    "abstract": "We present a method to perform a least squares fit of a decay chain involving\nmultiple decay vertices. Our technique allows for the simultaneous extraction\nof decay time, position and momentum parameters and their uncertainties and\ncorrelations for all particles in a decay chain.",
    "arxiv_id": "physics/0503191",
    "authors": [
      "W. D. Hulsbergen"
    ],
    "categories": [
      "physics.comp-ph"
    ],
    "doi": "10.1016/j.nima.2005.06.078",
    "journal_ref": "Nucl.Instrum.Meth. A552 (2005) 566-575",
    "title": "Decay Chain Fitting with a Kalman Filter",
    "url": "https://arxiv.org/abs/physics/0503191"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "4b74535b-2195-425a-a985-b064dd9c2637",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}