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S-matrix bootstrap for effective field theories: massless pions

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Author(s):
Guerrieri, Andrea L. ; Penedones, Joao ; Vieira, Pedro
Total Authors: 3
Document type: Journal article
Source: Journal of High Energy Physics; v. N/A, n. 6, p. 26-pg., 2021-06-14.
Abstract

We use the numerical S-matrix bootstrap method to obtain bounds on the two leading Wilson coefficients (or low energy constants) of the chiral lagrangian controlling the low-energy dynamics of massless pions. This provides a proof of concept that the numerical S-matrix bootstrap can be used to derive non-perturbative bounds on massless EFTs in more than two spacetime dimensions. (AU)

FAPESP's process: 19/24277-8 - Applications of quantum field theory
Grantee:Pedro Gil Martins Vieira
Support Opportunities: Research Projects - SPEC Program
FAPESP's process: 16/01343-7 - ICTP South American Institute for Fundamental Research: a regional center for theoretical physics
Grantee:Nathan Jacob Berkovits
Support Opportunities: Special Projects