{
  "abstract": "In accelerator switchyards with shared magnets, a beam may traverse a quadrupole with offsets in both transverse planes, a configuration that cannot be represented by a single conventional horizontal or vertical combined-function bend. Such an off-axis quadrupole bends the reference trajectory and generates dispersion simultaneously in both planes. We derive a compact analytical $6\\times6$ transfer matrix about the curved reference trajectory. The model is formulated in Bishop coordinates using a weak-curvature approximation that retains the longitudinal variation of both reference-curvature components and the resulting dispersion in both transverse planes. The analytical linear model is compared with a sliced representation based on conventional second-order combined-function bend maps and with direct numerical integration of the Lorentz equations in the ideal Cartesian quadrupole field.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2611.06730",
  "author_total": 1,
  "authors": [
    {
      "name": "Sergey Tomin"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/e1sf80zem25h2.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2611.06730",
  "fulltext_url": null,
  "id": "e1sf80zem25h2",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2611.06730",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "physics.acc-ph"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2611.06730",
  "pmcid": null,
  "pmid": null,
  "published": "2026-11-04",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/e1sf80zem25h2.ris",
  "sources": [
    {
      "first_seen": "2026-11-05T15:20:56Z",
      "native_id": "2611.06730",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2611.06730"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:physics.acc-ph",
      "subfield": "applied-instrumentation"
    }
  ],
  "title": "Beam Transport Through a Quadrupole with Offsets in Both Transverse Planes",
  "title_text": "Beam Transport Through a Quadrupole with Offsets in Both Transverse Planes",
  "type": "preprint",
  "updated_at": "2026-11-09T00:20:21Z",
  "url": "https://research.draconitic.com/paper/e1sf80zem25h2",
  "venue": "arXiv",
  "versions": []
}