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Bounds on Photon Scattering by Häring, Kelian; Hebbar, Aditya; Karateev, Denis; Meineri, Marco; Penedones, João is a scholarly article available to read on EtoBox.

What is Bounds on Photon Scattering about?

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.

Author

Häring, Kelian; Hebbar, Aditya; Karateev, Denis; Meineri, Marco; Penedones, João

Published

2022

Language

EN