{
  "annotation_id": "9e688fab-6f64-4a72-a00d-20db03a03c3f",
  "date_created": "2026-03-02T18:01:51.843000Z",
  "date_modified": "2026-03-02T18:01:51.843000Z",
  "file_hash": "9fd62f6a28878a826d1de55b7439a7ccbb70eda8981ac7691c508f5f32fe5110",
  "private": false,
  "record": {
    "abstract": "The relativistic two-component equation describing the free motion of\nparticles with zero mass and spin 1/2, which is P- and T-non-invariant but\nC-invariant, is found. The representation of the Poincare group for zero mass\nand discrete spin is constructed. The position operator for such a particle is\ndefined.",
    "arxiv_id": "quant-ph/0206077",
    "authors": [
      "Wilhelm I. Fushchych"
    ],
    "categories": [
      "quant-ph",
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "journal_ref": "Nucl.Phys. B21 (1970) 321-330",
    "title": "On the P- and T-non-invariant two-component equation for the neutrino",
    "url": "https://arxiv.org/abs/quant-ph/0206077"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "fd9006cc-de80-4a74-9f99-49af65ac4aa5",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}