Cornering large-N c QCD with positivity bounds

Abstract The simple analytic structure of meson scattering amplitudes in the large-N c limit, combined with positivity of the spectral density, provides precise predictions on low-energy observables. Building upon previous studies, we explore the allowed regions of chiral Lagrangian parameters and m...

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Bibliographic Details
Main Authors: Clara Fernandez, Alex Pomarol, Francesco Riva, Francesco Sciotti
Format: Article
Language:English
Published: SpringerOpen 2023-06-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP06(2023)094