{
  "annotation_id": "c9ee77b5-f156-4d69-a2f9-431c83a3807e",
  "date_created": "2026-03-02T18:00:11.723000Z",
  "date_modified": "2026-03-02T18:00:11.723000Z",
  "file_hash": "93fff6a764de0d16953f81b62609bc53b44a1d82b32bf08ee8c487e86d253317",
  "private": false,
  "record": {
    "abstract": "Incoherent photoproduction of eta-mesons on the deuteron is considered. The\nmain attention is paid to the region above the S11(1535) resonance where rather\nnarrow resonance like structure in the total cross section extracted for gamma\nn -\u003e eta n has been reported. The corresponding experimental results are\nanalyzed from the phenomenological standpoint within the model containing a\nbaryon P11 with the mass about 1670 MeV and a width less than 30 MeV. This\nresonance was suggested in some recent works as a nonstrange member of the\npentaquark antidecuplet with J^P=1/2^+. The calculation is also performed for\nthe polarized and nonpolarized angular distributions of $\\eta$ mesons. In\naddition, we present our predictions for the cross sections of the neutral\nkaons and double pion photoproduction, where the same narrow P11(1670)\nresonance is assumed to contribute through the decay into K^0 Lambda and pi\nDelta configuration.",
    "arxiv_id": "nucl-th/0702034",
    "authors": [
      "A. Fix",
      "L. Tiator",
      "M. V. Polyakov"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1140/epja/i2007-10385-6",
    "journal_ref": "Eur.Phys.J.A32:311-319,2007",
    "title": "Photoproduction of eta-mesons on the deuteron above S11(1535) in the   presence of a narrow P11(1670) resonance",
    "url": "https://arxiv.org/abs/nucl-th/0702034"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "9fc0774d-0385-4ad3-9b24-8a857f82e8f9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}