{
  "abstract": "This paper presents the design, calibration, and performance of the Skin Detector component of the LUX-ZEPLIN (LZ) dark matter experiment. The Skin Detector consists of approximately 2 tonnes of liquid xenon instrumented with 131 photomultiplier tubes, surrounding the central time-projection chamber and functions as an active veto system for background rejection. Energy calibration with monoenergetic gamma sources established a position-dependent energy scale and determined prompt and delayed veto thresholds. Radon decays in the Skin can be identified with less than 15~mm spatial resolution, revealing stable convective flow patterns with measured velocities ranging from 2-4 mm/s that persisted throughout extended data-taking periods. The achieved Skin veto threshold meets or exceeds the design goal of 100~keV throughout the Skin volume. The prompt veto efficiency for gamma rays emitted following electron capture in $^{127}$Xe is found to be ($88 \\pm 2$)\\%, consistent with the simulated value of ($90.4 \\pm 0.6$)\\%. M-shell EC decays are used to validate the LZ detector sensitivity for low-mass dark matter during the first science run.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2611.00010",
  "author_total": 212,
  "authors": [
    {
      "name": "D. S. Akerib"
    },
    {
      "name": "A. K. Al Musalhi"
    },
    {
      "name": "F. Alder"
    },
    {
      "name": "B. J. Almquist"
    },
    {
      "name": "C. S. Amarasinghe"
    },
    {
      "name": "A. Ames"
    },
    {
      "name": "T. J. Anderson"
    },
    {
      "name": "N. Angelides"
    },
    {
      "name": "H. M. Araújo"
    },
    {
      "name": "J. E. Armstrong"
    },
    {
      "name": "M. Arthurs"
    },
    {
      "name": "A. Baker"
    },
    {
      "name": "S. Balashov"
    },
    {
      "name": "J. Bang"
    },
    {
      "name": "J. W. Bargemann"
    },
    {
      "name": "E. E. Barillier"
    },
    {
      "name": "K. Beattie"
    },
    {
      "name": "A. Beauchene"
    },
    {
      "name": "A. Bhatti"
    },
    {
      "name": "T. P. Biesiadzinski"
    },
    {
      "name": "H. J. Birch"
    },
    {
      "name": "E. Bishop"
    },
    {
      "name": "G. M. Blockinger"
    },
    {
      "name": "C. A. J. Brew"
    },
    {
      "name": "P. Brás"
    },
    {
      "name": "S. Burdin"
    },
    {
      "name": "M. C. Carmona-Benitez"
    },
    {
      "name": "M. Carter"
    },
    {
      "name": "A. Chawla"
    },
    {
      "name": "Y. T. Chin"
    },
    {
      "name": "S. Contreras"
    },
    {
      "name": "M. V. Converse"
    },
    {
      "name": "R. Coronel"
    },
    {
      "name": "A. Cottle"
    },
    {
      "name": "G. Cox"
    },
    {
      "name": "D. Curran"
    },
    {
      "name": "C. E. Dahl"
    },
    {
      "name": "I. Darlington"
    },
    {
      "name": "S. Dave"
    },
    {
      "name": "A. David"
    },
    {
      "name": "J. Delgaudio"
    },
    {
      "name": "S. Dey"
    },
    {
      "name": "L. de Viveiros"
    },
    {
      "name": "L. Di Felice"
    },
    {
      "name": "C. Ding"
    },
    {
      "name": "J. E. Y. Dobson"
    },
    {
      "name": "E. Druszkiewicz"
    },
    {
      "name": "S. Dubey"
    },
    {
      "name": "C. L. Dunbar"
    },
    {
      "name": "S. R. Eriksen"
    },
    {
      "name": "N. M. Fearon"
    },
    {
      "name": "N. Fieldhouse"
    },
    {
      "name": "S. Fiorucci"
    },
    {
      "name": "H. Flaecher"
    },
    {
      "name": "E. D. Fraser"
    },
    {
      "name": "T. M. A. Fruth"
    },
    {
      "name": "P. W. Gaemers"
    },
    {
      "name": "R. J. Gaitskell"
    },
    {
      "name": "A. Geffre"
    },
    {
      "name": "J. Genovesi"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/80r3e5knzvrpp.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2611.00010",
  "fulltext_url": null,
  "id": "80r3e5knzvrpp",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2611.00010",
  "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",
      "hep-ex"
    ],
    [
      "arxiv",
      "physics.ins-det"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2611.00010",
  "pmcid": null,
  "pmid": null,
  "published": "2026-11-01",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/80r3e5knzvrpp.ris",
  "sources": [
    {
      "first_seen": "2026-11-03T12:20:59Z",
      "native_id": "2611.00010",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2611.00010"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:physics.ins-det",
      "subfield": "applied-instrumentation"
    },
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "The Skin Detector System of the LZ Dark Matter Experiment",
  "title_text": "The Skin Detector System of the LZ Dark Matter Experiment",
  "type": "preprint",
  "updated_at": "2026-11-05T15:20:18Z",
  "url": "https://research.draconitic.com/paper/80r3e5knzvrpp",
  "venue": "arXiv",
  "versions": []
}