Extracting Einstein from the loop-level double-copy

John Joseph M. Carrasco, Ingrid A. Vazquez-Holm*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The naive double-copy of (multi) loop amplitudes involving massive matter coupled to gauge theories will generically produce amplitudes in a gravitational theory that contains additional contributions from propagating antisymmetric tensor and dilaton states even at tree-level. We present a graph-based approach that combines the method of maximal cuts with double-copy construction to offer a systematic framework to isolate the pure Einstein-Hilbert gravitational contributions through loop level. Indeed this allows for a bootstrap of pure-gravitational results from the double-copy of massive scalar-QCD. We apply this to construct the novel result of the D-dimensional one-loop five-point QFT integrand relevant in the classical limit to generating observables associated with the radiative effects of massive black-hole scattering via pure Einstein-Hilbert gravity.

Original languageEnglish (US)
Article number88
JournalJournal of High Energy Physics
Issue number11
StatePublished - Nov 2021


  • Black Holes
  • Duality in Gauge Field Theories
  • Scattering Amplitudes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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