{
  "abstract": "We compute high frequency gravitational wave radiation in shockwave collisions of a light mass compact object with energy $μ_L$ off a heavy compact object (black hole) with energy $μ_H \\gg μ_L$. A formal solution is obtained in terms of shockwave propagators that provide snapshots of $O(μ_Lμ_H^n)$ tidal response functions sensitive to classical and potentially semi-classical dynamics of black hole formation. In a perturbative expansion, the first nontrivial contribution of $O(μ_Lμ_H)$ is the emission of a graviton from the Lipatov vertex generated by the fusion of two reggeized gravitons. For graviton frequencies $ω\\rightarrow 0$, the Lipatov amplitude reduces to the ultrarelativistic limit of the single-graviton exchange Weinberg amplitude. At $O(μ_Lμ_H^2)$, the Lipatov amplitude includes a piece accounting for the rescattering of the graviton off a reggeized graviton and another, corresponding to graviton emission from a vertex fusing three reggeized gravitons. These nontrivial contributions again simplify to the Weinberg radiative amplitude for two-graviton exchange in the soft limit. We highlight throughout double copy structures to gluon radiation in dilute-dense collisions of Yang-Mills shockwaves. We relate our shockwave results to the eikonal multiple scattering framework of Veneziano et al.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2608.27585",
  "author_total": 3,
  "authors": [
    {
      "name": "Isabelle Blackstad"
    },
    {
      "name": "Himanshu Raj"
    },
    {
      "name": "Raju Venugopalan"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/ane5e28sqvchd.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2608.27585",
  "fulltext_url": null,
  "id": "ane5e28sqvchd",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2608.27585",
  "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",
      "gr-qc"
    ],
    [
      "arxiv",
      "hep-ph"
    ],
    [
      "arxiv",
      "hep-th"
    ],
    [
      "arxiv",
      "nucl-th"
    ],
    [
      "openalex",
      "3106|Black Holes and Theoretical Physics"
    ]
  ],
  "openalex": "W7204837965",
  "pdf_url": "https://arxiv.org/pdf/2608.27585",
  "pmcid": null,
  "pmid": null,
  "published": "2026-08-27",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/ane5e28sqvchd.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:22Z",
      "native_id": "2608.27585",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2608.27585"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:gr-qc",
      "subfield": "gravitation"
    },
    {
      "field": "physics",
      "origin": "arxiv:hep-ph",
      "subfield": "high-energy"
    },
    {
      "field": "physics",
      "origin": "arxiv:nucl-th",
      "subfield": "nuclear"
    }
  ],
  "title": "Tidal effects on radiation in gravitational shockwave collisions",
  "title_text": "Tidal effects on radiation in gravitational shockwave collisions",
  "type": "preprint",
  "updated_at": "2026-10-30T12:17:22Z",
  "url": "https://research.draconitic.com/paper/ane5e28sqvchd",
  "venue": "arXiv",
  "versions": []
}