{
  "abstract": "The dark axion portal provides a well-motivated framework for new physics beyond the Standard Model (SM), in which an axion-like particle (ALP) couples simultaneously to a photon and a dark photon, leading to distinctive collider signatures. In this work, we investigate the sensitivity to the $a$--$γ$--$γ'$ interaction via the mono-photon channel arising from $μ^{+}μ^{-} \\to a γ'$ with $a \\to γγ'$ at the $1.5~\\mathrm{TeV}$ muon collider with an integrated luminosity of $\\mathcal{L}=500~\\mathrm{fb}^{-1}$ for the polarized and unpolarized beam configurations, $P(μ^+,μ^-)=(-100\\%,+100\\%)$ and $P(μ^+,μ^-)=(0,0)$, using detector-level simulation. The signal is characterized by a single energetic photon accompanied by missing energy as the dark photons escape detection. The projected sensitivity reaches the $\\mathcal{O}(10^{-5})~\\mathrm{GeV}^{-1}$ level for ALP masses in the range $1~\\mathrm{GeV}\\leq m_a\\leq1200~\\mathrm{GeV}$ for $P(μ^+,μ^-)=(-100\\%,+100\\%)$, while for $P(μ^+,μ^-)=(0,0)$ the projected sensitivity reaches the $\\mathcal{O}(10^{-4})~\\mathrm{GeV}^{-1}$ level for the same ALP mass range. These results demonstrate that the mono-photon signature at a muon collider provides a sensitive probe of the $a$--$γ$--$γ'$ interaction over a wide mass range.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2608.15656",
  "author_total": 4,
  "authors": [
    {
      "name": "Chong-Xing Yue"
    },
    {
      "name": "Yang-Yang Bu"
    },
    {
      "name": "Xin-Yang Li"
    },
    {
      "name": "Feng-Xia Tang"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/28hpw5122ksfc.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2608.15656",
  "fulltext_url": null,
  "id": "28hpw5122ksfc",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2608.15656",
  "language": null,
  "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-ph"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2608.15656",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-17",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/28hpw5122ksfc.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:22:19Z",
      "native_id": "2608.15656",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2608.15656"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ph",
      "subfield": "high-energy"
    }
  ],
  "title": "Probing the ALP--Photon--Dark Photon Interaction through the Mono-Photon plus Missing-Energy Signature at a Muon Collider",
  "title_text": "Probing the ALP--Photon--Dark Photon Interaction through the Mono-Photon plus Missing-Energy Signature at a Muon Collider",
  "type": "preprint",
  "updated_at": "2026-10-30T12:22:19Z",
  "url": "https://research.draconitic.com/paper/28hpw5122ksfc",
  "venue": "arXiv",
  "versions": []
}