Bounds on photon scattering
A bstract We study 2-to-2 scattering amplitudes of massless spin one particles in d = 4 space-time dimensions, like real world photons. We define a set of non-perturbative observables (Wilson coefficients) which describe these amplitudes at low energies. We use full non-linear unitarity to construct various novel numerical bounds on these observables. For completeness, we also rederive some bounds using positivity only. We discover and explain why some of these Wilson coefficients cannot be bounded.
Authors
- João Penedones (ORCID: https://orcid.org/0000-0003-0345-4836)
- Aditya Hebbar (ORCID: https://orcid.org/0000-0002-8211-1243)
- Denis Karateev (ORCID: https://orcid.org/0000-0003-4319-9681)
- Kelian Häring (ORCID: https://orcid.org/0000-0001-9355-355X)
- Marco Meineri (ORCID: https://orcid.org/0000-0002-0604-3859)
Institutions
- University of Geneva (CH)
- Centre National de la Recherche Scientifique (FR)
- École Polytechnique Fédérale de Lausanne (CH)
- European Organization for Nuclear Research (CH)
Publication Details
- Journal
- Journal of High Energy Physics
- Published
- 2024-10-11
- DOI
- https://doi.org/10.1007/jhep10(2024)103
- Citations
- 15
- Primary Topic
- Particle physics theoretical and experimental studies
- Type
- article
- Field-Weighted Citation Impact
- 9.89
Funders
- National Science Foundation
- CERN
- National Centres of Competence in Research SwissMAP
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung