A tale of two geometries

PIRSA ID: 21040030
Série : Particle Physics
Event Type: Seminar
Domaine(s) scientifique(s) :
Particle Physics
Date de fin :
Speaker(s):
  • Tzu Chen Huang, California Institute of Technology (Caltech)

It is known that constraints imposed by causality and unitarity of four-particle scattering amplitudes lead to non-trivial requirements on the low energy effective field theory coefficients. We introduce families of linear and nonlinear inequalities resulting from a systematic study of positive geometry structure hidden in those constraints.