26-31 July 2021
Mexico City
Mexico/General timezone
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Contribution Leading parallel

Mexico City -
Meson Spectroscopy

Three-pion scattering from lattice QCD


  • Maxwell HANSEN

Primary authors


I present a lattice-QCD calculation of the max-isospin,3-pion scattering amplitude (3pi+to3pi+).The calculation combines finite-volume energies with a relativistic field-theoretic formalism,required to interpret the results.I will describe the full work-flow required to reach the final amplitude,implemented here for the first time, and discuss the complicated singularities appearing in the latter.I will discuss how the approach promises to be a powerful tool for resonant three-particle systems