{
  "annotation_id": "f1bcb296-6d20-4487-87f3-0a15c984df1d",
  "date_created": "2026-03-02T18:00:18.210000Z",
  "date_modified": "2026-03-02T18:00:18.210000Z",
  "file_hash": "d763963e6f23c47d86552b66b471995b52f27cb4d5f7bd82fe838c1e9067583e",
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  "record": {
    "abstract": "An effective algebraic approach to $S$--matrix factorization into Jost\nmatrices is developed in the case of coupled channels. The Jost matrix is given\nas a solution of boundary value Riemann -- Hilbert problem. A rational form is\nassumed for tangent of mixing angle, while there is no limitations for\napproximation of phase shifts.",
    "arxiv_id": "nucl-th/9607011",
    "authors": [
      "A. F. Krutov",
      "D. I. Muravyev",
      "V. E. Troitsky"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1063/1.532023",
    "journal_ref": "J.Math.Phys. 38 (1997) 2880-2887",
    "title": "A Factorization of the S-Matrix into Jost Matrices",
    "url": "https://arxiv.org/abs/nucl-th/9607011"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6368dbc4-aa38-46c6-adc5-246ae3f527fd",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}