{
  "annotation_id": "6bb32bba-f648-443e-82b0-0335c5613aac",
  "date_created": "2026-03-02T18:00:22.300000Z",
  "date_modified": "2026-03-02T18:00:22.300000Z",
  "file_hash": "30a29e79ffde31847f06e0e379653e5fd7e5abf9183f99c1eef2af572fe2581f",
  "private": false,
  "record": {
    "abstract": "We reanalyse the production of $p\\bar{p}$ pairs in proton-nucleus and\nnucleus-nucleus collisions employing novel elementary cross sections for\nbaryon-baryon and pion-baryon production channels based on a boson-exchange\nmodel. In contrast to previous transport studies performed in the literature\nthe secondary pion induced channel is found to be most important in both p+A\nand A+A collisions at subthreshold energies. A detailed comparison with the\nexperimental data available indicates that sizeable attractive $\\bar{p}$\npotentials in the order of - 100 to - 150 MeV at normal nuclear matter density\nare needed to reproduce the size and shape of the experimental spectra.",
    "arxiv_id": "nucl-th/9710044",
    "authors": [
      "A. Sibirtsev",
      "W. Cassing",
      "G. I. Lykasov",
      "M. V. Rzjanin"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1016/S0375-9474(97)00809-9",
    "journal_ref": "Nucl.Phys. A632 (1998) 131-152",
    "title": "Reanalysis of antiproton production in proton-nucleus and   nucleus-nucleus reactions at subthreshold energies",
    "url": "https://arxiv.org/abs/nucl-th/9710044"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "bdd2e515-c5a6-404b-9c1b-a4c943cb9695",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}