{
  "abstract": "The muon anomalous magnetic moment, $a_μ= (g-2)_μ/2$, shows a sizeable discrepancy between Standard Model (SM) predictions and direct measurements, hinting at either New Physics or limitations in modeling low-energy strong interactions. As the uncertainty in the SM predictions currently exceeds the experimental uncertainty by a substantial margin, further improvements in theoretical precision are essential to clarify the origin of this discrepancy. The SM theoretical uncertainty is dominated by hadronic processes. The hadronic light-by-light (HLbL) scattering contribution relies on highly accurate data for hadron production via two-photon fusion. Operating at $\\sqrt{s}=3.773\\,\\text{GeV}$ with over $20\\,\\text{fb}^{-1}$ of integrated luminosity, the BESIII experiment is ideally suited to probe these processes at small momentum transfers. By precisely measuring channels like $e^+e^-\\to e^+ e^-π^0$ and $e^+e^-\\to e^+ e^-π^0π^0$, BESIII provides the critical experimental input necessary to sharpen the SM prediction and clarify the true nature of the $a_μ$ anomaly.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.20511",
  "author_total": 1,
  "authors": [
    {
      "name": "Max Lellmann"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/4wa3de3s9vv80.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.20511",
  "fulltext_url": null,
  "id": "4wa3de3s9vv80",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.20511",
  "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"
    ],
    [
      "openalex",
      "3106|Particle physics theoretical and experimental studies"
    ]
  ],
  "openalex": "W7222055644",
  "pdf_url": "https://arxiv.org/pdf/2610.20511",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-14",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/4wa3de3s9vv80.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:29:31Z",
      "native_id": "2610.20511",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.20511"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Measurement of electromagnetic transition form factors in two-photon collisions at BESIII",
  "title_text": "Measurement of electromagnetic transition form factors in two-photon collisions at BESIII",
  "type": "preprint",
  "updated_at": "2026-10-30T12:29:31Z",
  "url": "https://research.draconitic.com/paper/4wa3de3s9vv80",
  "venue": "arXiv",
  "versions": []
}