Starts 15 Oct 2026 16:00
Ends 15 Oct 2026 17:00
Central European Time
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HECAP Seminar by Francesco Sciotti - Higher Point Positivity and Large-Nc QCD
Hybrid
Leonardo Building - Luigi Stasi Seminar Room and via Zoom
Abstract
Scattering amplitudes provide a powerful way to constrain effective field theories from the bottom-up, using only general physical consistency conditions such as unitarity and causality. Most existing bounds are based on four-point amplitudes. In this talk, I will explain how higher point amplitudes can be used to obtain new constraints that go beyond the four-point analysis. As a concrete example, I will apply the method to Large-Nc QCD.
Scattering amplitudes provide a powerful way to constrain effective field theories from the bottom-up, using only general physical consistency conditions such as unitarity and causality. Most existing bounds are based on four-point amplitudes. In this talk, I will explain how higher point amplitudes can be used to obtain new constraints that go beyond the four-point analysis. As a concrete example, I will apply the method to Large-Nc QCD.