{
  "annotation_id": "6e89287d-66d8-4c11-9366-05f7651ff0f9",
  "date_created": "2026-03-02T18:00:22.252000Z",
  "date_modified": "2026-03-02T18:00:22.252000Z",
  "file_hash": "60d5114dfc7c2c17b0ed2f3a3eccb359663b99ed4083b0fbfed793f411cd33df",
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  "record": {
    "abstract": "This work investigates the collective motion of kaons in heavy ion reactions\nat SIS energies (about 1-2 GeV/nucleon). A radial collective flow of $K^+$\nmesons is predicted to exist in central Au + Au collisions, which manifests in\na characteristic \"shoulder-arm\" shape of the transverse mass spectrum of the\nmidrapidity $K^+$ mesons. The $K^+$ radial flow arises from the repulsive $K^+$\nmean field in nuclear matter. In spite of a strong reabsorption and\nrescattering the attractive $K^-$ mean field leads as well to a collective\nradial flow of $K^-$ mesons. The $K^-$ radial flow, however, is different from\nthat of $K^+$ mesons and can be observed by a characteristic \"concave\"\nstructure of the transverse mass spectrum of the $K^-$ mesons emitted at\nmidrapidity. The kaon radial flows can therefore serve as a novel tool for the\ninvestigation of kaon properties in dense nuclear matter.",
    "arxiv_id": "nucl-th/9804046",
    "authors": [
      "Z. S. Wang",
      "Amand Faessler",
      "C. Fuchs",
      "V. S. Uma Maheswari",
      "T. Waindzoch"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1103/PhysRevC.57.3284",
    "journal_ref": "Phys.Rev.C57:3284-3291,1998",
    "title": "Radial flow of kaon mesons in heavy ion reactions",
    "url": "https://arxiv.org/abs/nucl-th/9804046"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "dc02d51a-f360-440b-a183-879e2e6d5d36",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}