{
  "abstract": "The origin of fission-fragment spin remains unresolved. For $^{236}$U fission, we combine deformation-dependent finite-temperature pairing with a multidimensional scission-spectrum analysis. Near the pairing-quenching boundary, pair breaking exposes near-Fermi high-$Ω$ intruder orbitals and opens high-$K$ channels. The resulting maximum spectroscopic capacities range from a few to more than a dozen units of $\\hbar$. Rapid neck rupture acts as a non-adiabatic projection freeze-out, where pairing serves as a dynamical gate: its critical attenuation does not generate angular momentum but allows existing high-$K$ projections to be retained diabatically as local fragment-$K$ components while total angular momentum remains conserved.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.11485",
  "author_total": 4,
  "authors": [
    {
      "name": "M. Kowal"
    },
    {
      "name": "A. Augustyn"
    },
    {
      "name": "T. Cap"
    },
    {
      "name": "K. Pomorski"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/07cd891vp56y7.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.11485",
  "fulltext_url": null,
  "id": "07cd891vp56y7",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.11485",
  "language": null,
  "licence": "CC-BY-NC-SA-4.0",
  "licence_label": "CC BY-NC-SA 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "nucl-th"
    ],
    [
      "openalex",
      "3106|Nuclear physics research studies"
    ]
  ],
  "openalex": "W7212225434",
  "pdf_url": "https://arxiv.org/pdf/2609.11485",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-10",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/07cd891vp56y7.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:20:26Z",
      "native_id": "2609.11485",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.11485"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:nucl-th",
      "subfield": "nuclear"
    }
  ],
  "title": "From Superfluid Coherence to High-$K$ Fragment Channels at Nuclear Scission",
  "title_text": "From Superfluid Coherence to High-K Fragment Channels at Nuclear Scission",
  "type": "preprint",
  "updated_at": "2026-10-30T12:20:26Z",
  "url": "https://research.draconitic.com/paper/07cd891vp56y7",
  "venue": "arXiv",
  "versions": []
}