{
  "abstract": "The LZ experiment reported a nuclear recoil with anomalous energy $E_R=248$ keV, around the typical neutron motion in xenon. This motivates interpreting the event as the disappearance of a bound neutron, either through spontaneous decay or a dark-matter-induced reaction. If the energy released is large, the predicted recoil spectrum is broad around the observed value; only $\\sim10\\%$ of xenon events avoid extra nuclear activity; the disappearance rate is target-independent and mildly constrained by oxygen experiments. In the special case of near-threshold DM-induced neutron disappearance, it can be open in xenon and closed in oxygen, the quiet fraction rises to $\\sim30\\%$, the recoil spectrum turns into lines.",
  "abstract_shown": true,
  "affiliations": [
    "Department of Physics , The University of Osaka , Japan",
    "Dipartimento di Fisica , Università di Pisa , Italia"
  ],
  "article_type": null,
  "arxiv": "2609.09037",
  "author_total": 2,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Mohammad Aghaie",
      "orcid": "0009-0002-6945-2622"
    },
    {
      "affs": [
        1
      ],
      "name": "Алессандро Струмиа",
      "orcid": "0000-0002-4482-9545"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/3f1h7kh9r8s0p.bib",
  "cited_by": 22,
  "doi": "10.48550/arxiv.2609.09037",
  "fulltext_url": null,
  "id": "3f1h7kh9r8s0p",
  "issns": [
    "2331-8422"
  ],
  "landing_url": "https://arxiv.org/abs/2609.09037",
  "language": "en",
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "hep-ex"
    ],
    [
      "arxiv",
      "hep-ph"
    ],
    [
      "openalex",
      "3106|Neutrino Physics Research"
    ]
  ],
  "openalex": "W7212011373",
  "pdf_url": "https://arxiv.org/pdf/2609.09037",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-08",
  "publisher": "Cornell University",
  "ris": "https://research.draconitic.com/paper/3f1h7kh9r8s0p.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:19:52Z",
      "native_id": "2609.09037",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.09037"
    },
    {
      "first_seen": "2026-11-07T13:20:45Z",
      "native_id": "W7212011373",
      "source": "openalex",
      "url": "https://arxiv.org/abs/2609.09037"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Neutron disappearance and the LZ nuclear recoil event",
  "title_text": "Neutron disappearance and the LZ nuclear recoil event",
  "type": "preprint",
  "updated_at": "2026-11-09T13:21:02Z",
  "url": "https://research.draconitic.com/paper/3f1h7kh9r8s0p",
  "venue": "arXiv",
  "versions": []
}