{
  "annotation_id": "132159ba-c33e-44c4-90f1-d84a10e0393b",
  "date_created": "2026-03-02T18:01:17.571000Z",
  "date_modified": "2026-03-02T18:01:17.571000Z",
  "file_hash": "d8dcb33f89a316185bdf7c0bad059503ba4b966790aaf97ea34cdecf85254648",
  "private": false,
  "record": {
    "abstract": "The magnetic-octupole (M3) and electric-quadrupole (E2) transitions between\nthe ground state $3d^{10} ^1S_0$ and the lowest excited $3d^94s$ $(5/2,1/2)$ J\n= 3 and J = 2 states in the Ni-like tungsten are shown to exhibit a strong\ndependence on electron density $N_e$ in the range of values typical for tokamak\nplasmas. Remarkably, the total intensity of these overlapping lines remains\nalmost constant, which may explain the strong emission in the 7.93 \\AA line\nobserved in tokamak experiments (Neu R et al. 1997 J Phys B {\\bf 30} 5057).\nUtilization of the M3 and E2 line ratios for density diagnostics in\nhigh-spectral-resolution experiments is discussed as well.",
    "arxiv_id": "physics/0703263",
    "authors": [
      "Yuri Ralchenko"
    ],
    "categories": [
      "physics.atom-ph",
      "physics.plasm-ph"
    ],
    "doi": "10.1088/0953-4075/40/11/F01",
    "title": "Density dependence of the forbidden lines in Ni-like tungsten",
    "url": "https://arxiv.org/abs/physics/0703263"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cf10f5d5-ef5e-408e-9932-b5b901ff5d32",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}