{
  "annotation_id": "26e08e1d-0176-4b9e-ace0-c1fd13a7cb40",
  "date_created": "2026-03-02T18:00:01.137000Z",
  "date_modified": "2026-03-02T18:00:01.137000Z",
  "file_hash": "8c555c9a1fecd7886723476ad152d42d544c27039a266d19a5dc99b6655a4949",
  "private": false,
  "record": {
    "abstract": "Goldstone modes are the only pseudoscalar mesons to possess a nonzero\nleptonic decay constant in the chiral limit when chiral symmetry is dynamically\nbroken. The decay constants of their radial excitations vanish. These features\nand aspects of their impact on the meson spectrum are illustrated using a\nmanifestly covariant and symmetry preserving model of the kernels in the gap\nand Bethe-Salpeter equations.",
    "arxiv_id": "nucl-th/0406030",
    "authors": [
      "A. Hoell",
      "A. Krassnigg",
      "C. D. Roberts"
    ],
    "categories": [
      "nucl-th",
      "hep-lat",
      "hep-ph",
      "nucl-ex"
    ],
    "doi": "10.1103/PhysRevC.70.042203",
    "journal_ref": "Phys.Rev.C70:042203,2004",
    "title": "Pseudoscalar Meson Radial Excitations",
    "url": "https://arxiv.org/abs/nucl-th/0406030"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ce1720a1-e25e-4add-9a96-2e1ad299e331",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}