{
  "annotation_id": "8f552120-ce58-4e4d-a7d3-a1fe53268ec0",
  "date_created": "2026-03-02T18:01:07.072000Z",
  "date_modified": "2026-03-02T18:01:07.072000Z",
  "file_hash": "6b86ab22d11a863954608856a51614f5bfb04ecd25f7c0f9146ce6bd4543bb28",
  "private": false,
  "record": {
    "abstract": "Close to converged energies and expectation values for PsH are computed using\na ground state wave function consisting of 1800 explicitly correlated\ngaussians. The best estimate of the PsH$^{\\infty}$ energy was -0.789196740\nhartree which is the lowest variational energy to date. The 2$\\gamma$\nannihilation rate for PsH$^{\\infty}$ was $2.47178\\times 10^{9}$ s$^{-1}$.",
    "arxiv_id": "physics/0603109",
    "authors": [
      "J. Mitroy"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1103/PhysRevA.73.054502",
    "title": "Energy and expectation values of the PsH system",
    "url": "https://arxiv.org/abs/physics/0603109"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "459b79b4-bf05-47d6-85a0-f9db78ba1c2a",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}