{
  "annotation_id": "d59078f9-820d-493e-ac9c-056432441e3a",
  "date_created": "2026-03-02T18:00:04.682000Z",
  "date_modified": "2026-03-02T18:00:04.682000Z",
  "file_hash": "350e1e4f0af1d615dbbf1510834f79e82bc6ceda7ce6f0afa71e959cd477553d",
  "private": false,
  "record": {
    "abstract": "The S-matrix approach is applied to charged and neutral pion production in pp\ncollisions, in which the spin/isospin channels filter differently the\nrescattering mechanism. The chiral perturbation theory rescattering amplitude\nis employed. The contributions from the single-nucleon, Z-diagrams and\nDelta-isobar mechanisms are also included. For the reactions investigated, the\nconvergence of the partial wave series is quite satisfactory and J=0 is enough\nto describe the data close to threshold.",
    "arxiv_id": "nucl-th/0507007",
    "authors": [
      "V. Malafaia",
      "M. T. Pena",
      "J. Adam Jr"
    ],
    "categories": [
      "nucl-th"
    ],
    "title": "Neutral and charged pion production in the S-matrix approach",
    "url": "https://arxiv.org/abs/nucl-th/0507007"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "20c8b9fd-6627-4269-8ff9-74f327987766",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}