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EPS-HEP 2025

6–11 Jul 2025
PALAIS DU PHARO, Marseille, France
Europe/Paris timezone

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Session

Poster T10 (Quantum Field and String Theory)

9 Jul 2025, 18:47
Espace 1000

Espace 1000

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  1. 86. Loops corrections for positivity bounds
    Dong-Yu Hong
    09/07/2025, 18:47
    T10 - Quantum Field and String Theory
    Poster

    Positivity bounds, derived from fundamental S-matrix principles such as unitarity and analyticity, can impose important constraints on the space of effective field theories (EFTs). While these bounds have been extensively studied at tree level for various weakly coupled EFTs, incorporating loop corrections is crucial for extending their applicability to more general models and scenarios. We...

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  2. 586. Six-point ChPT amplitude for pions and kaons
    Mattias sebastian SJO (CPT Marseille)
    09/07/2025, 18:47
    T10 - Quantum Field and String Theory
    Poster

    Recently [1,2], chiral perturbation theory (ChPT) has been used to predict the finite-volume spectrum of systems of three pions via the K-matrix formalism, in agreement with existing lattice data. The formalism relates the $n$-particle spectrum is related to the elastic $n$-to-$n$ scattering...

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