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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Scattering angle at 3PM in scalar-tensor theories using the PM-EFT formalism

  • Laura Bernard
  • Tamanna Jain
  • Stavros Mougiakakos
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Abstract

In this work, we derive the conservative dynamics of non-spinning binaries in the massless scalar-tensor theories using the post-Minkowskian Effective Field Theory (EFT) approach. Our main result is an analytic expression of the scattering angle, computed up to third Post-Minkowskian order via two-loop Feynman diagrams. Our results are in perfect agreement with previous literature, in particular within the post-Newtonian limit.

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Cite

BibTeXRIS
BibTeX
@article{bernard2026scattering,
  title = {{Scattering angle at 3PM in scalar-tensor theories using the PM-EFT formalism}},
  author = {Laura Bernard and Tamanna Jain and Stavros Mougiakakos},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = jun,
  doi = {10.1007/jhep06(2026)252},
  eprint = {2601.17503},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-05503387v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Scattering angle at 3PM in scalar-tensor theories using the PM-EFT formalism
AU  - Laura Bernard
AU  - Tamanna Jain
AU  - Stavros Mougiakakos
PY  - 2026
DA  - 2026/06/25
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep06(2026)252
UR  - https://hal.science/hal-05503387v1
AB  - In this work, we derive the conservative dynamics of non-spinning binaries in the massless scalar-tensor theories using the post-Minkowskian Effective Field Theory (EFT) approach. Our main result is an analytic expression of the scattering angle, computed up to third Post-Minkowskian order via two-loop Feynman diagrams. Our results are in perfect agreement with previous literature, in particular within the post-Newtonian limit.
SN  - 1126-6708
SN  - 1029-8479
ER  -