{
  "annotation_id": "5fab3fff-6957-4235-8684-fccb32084cc7",
  "date_created": "2026-03-02T18:00:11.921000Z",
  "date_modified": "2026-03-02T18:00:11.921000Z",
  "file_hash": "c171f42b1f198604f907cce5dbea999201155a9f93387687a5cec9304e0be858",
  "private": false,
  "record": {
    "abstract": "Taking up and extending earlier suggestions, we show how two- and\nthreedimensional shapes of second-order HBT correlations can be described in a\nmultivariate Edgeworth expansion around gaussian ellipsoids, with expansion\ncoefficients, identified as the cumulants of pair momentum difference q, acting\nas shape parameters. Off-diagonal terms dominate both the character and\nmagnitude of shapes. Cumulants can be measured directly and so the shape\nanalysis has no need for fitting.",
    "arxiv_id": "nucl-th/0611105",
    "authors": [
      "H. C. Eggers",
      "P. Lipa"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1590/S0103-97332007000600004",
    "journal_ref": "Braz.J.Phys.37:877-884,2007",
    "title": "HBT shape analysis with q-cumulants",
    "url": "https://arxiv.org/abs/nucl-th/0611105"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "aa4bb255-6826-419e-9f59-8b7252caa040",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}