{
  "annotation_id": "6ad9b8c4-557e-4b97-969b-2fa8cb555837",
  "date_created": "2026-03-02T18:00:28.973000Z",
  "date_modified": "2026-03-02T18:00:28.973000Z",
  "file_hash": "50bf5140968e8e5ff84b600cf5333b212f1486ac3b4e912c9304d85bef2d66f7",
  "private": false,
  "record": {
    "abstract": "A new method for the determination of the spin-1/2-3/2-mixing angle and the\nrange parameter of the quarkmodel wavefunction of the resonance\n$S^-_{11}(1535)$ is presented. The method ist based on a quantitative\ncalculation of the total cross section of $pp\\to pp\\eta$ at threshold. The\nquantitative on-shell treatment of ISI and FSI is discussed.",
    "arxiv_id": "nucl-th/9910010",
    "authors": [
      "F. Kleefeld"
    ],
    "categories": [
      "nucl-th"
    ],
    "journal_ref": "PiN Newslett.15:250-253,1999",
    "title": "Threshold Behaviour of Meson-Nucleon-$S_{11}$(1535) Vertexfunctions and   Determination of the $S_{11}$(1535) Mixing Angle",
    "url": "https://arxiv.org/abs/nucl-th/9910010"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "3271e7cd-dbad-4fbc-8abe-696953508f76",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}