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Cornering Large-$N_c$ QCD with Positivity Bounds
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 meson...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2022
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1007/JHEP06(2023)094 http://cds.cern.ch/record/2843345 |