{
  "abstract": "The near-infrared (NIR) scintillation signal of xenon has the potential to enhance the performance of xenon-based detectors, but a robust understanding of its properties is a prerequisite for its application. In this work, we measure the NIR time response for $α$-particle interactions in gaseous xenon in 12 wavelength bands spanning approximately $(950-1620)\\,$nm. The time response is decomposed into a fast (ns-scale) component and a dominant slow ($μ$s-scale) component. The fast-component spectrum coincides with strong atomic emission lines, predominantly 6p$\\,\\to\\,$6s, whereas the slow-component spectrum follows the broad continuum centred around $1.3\\,μ$m. The pressure dependence of the continuum can be described by a two-step kinetic model in which the emitting state is formed by a three-body process and depopulated by a two-body collisional process, with density-independent terms in both rates. Interpreting the slower of these as radiative decay yields an intrinsic lifetime of $\\sim3\\,μ$s. Theoretical calculations identify a neutral-excimer transition $0_u^- \\rightarrow 0_g^-$ and an ionic-dimer transition $1/2_{u} \\rightarrow 1/2_g$ as plausible candidates for the continuum emission, with the ionic-dimer transition showing better overall agreement with the measurements.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.10161",
  "author_total": 6,
  "authors": [
    {
      "name": "Robert Hammann"
    },
    {
      "name": "Steffen Form"
    },
    {
      "name": "Humaira Nazneen"
    },
    {
      "name": "Gabriel Schöpfer"
    },
    {
      "name": "Milan Ončák"
    },
    {
      "name": "Teresa Marrodán Undagoitia"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/akc13fpxgcbe0.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.10161",
  "fulltext_url": null,
  "id": "akc13fpxgcbe0",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.10161",
  "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",
      "hep-ex"
    ],
    [
      "arxiv",
      "physics.chem-ph"
    ],
    [
      "arxiv",
      "physics.ins-det"
    ],
    [
      "openalex",
      "3106|Particle Detector Development and Performance"
    ]
  ],
  "openalex": "W7220923798",
  "pdf_url": "https://arxiv.org/pdf/2610.10161",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-07",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/akc13fpxgcbe0.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:37Z",
      "native_id": "2610.10161",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.10161"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "arxiv:physics.chem-ph",
      "subfield": "physical"
    },
    {
      "field": "physics",
      "origin": "arxiv:physics.ins-det",
      "subfield": "applied-instrumentation"
    },
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Wavelength-Resolved Timing of Near-Infrared Scintillation in Gaseous Xenon",
  "title_text": "Wavelength-Resolved Timing of Near-Infrared Scintillation in Gaseous Xenon",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:37Z",
  "url": "https://research.draconitic.com/paper/akc13fpxgcbe0",
  "venue": "arXiv",
  "versions": []
}