{
  "annotation_id": "0a49c416-08cb-401a-a0b7-58c508b9c76b",
  "date_created": "2026-03-02T18:00:49.518000Z",
  "date_modified": "2026-03-02T18:00:49.518000Z",
  "file_hash": "c0e578f35346875bad9b0e48eda5d3504282ad75e2ac1371d0a4aac7c17ce51f",
  "private": false,
  "record": {
    "abstract": "A model describing the relationship between the ortho--positronium lifetime\nand the volume of a void, located in a synthetic zeolite, is analyzed. Our\nidea, which allows us to take into account the effects of temperature,\ncomprises the introduction of a non--hermitian term in the Hamiltonian, which\naccounts for the annihilation of the ortho--positronium. The predictions of the\npresent model are also confronted against an already known experimental result.",
    "arxiv_id": "physics/0406108",
    "authors": [
      "Abel Camacho"
    ],
    "categories": [
      "physics.chem-ph"
    ],
    "doi": "10.1063/1.1782051",
    "title": "Positronium lifetime in polymers",
    "url": "https://arxiv.org/abs/physics/0406108"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "fdd27638-d6e2-46bc-9617-a4c9ce1ca165",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}