Tetraquarks, Pentaquarks and All That
I will review the experimental and theoretical status of the so called XYZ spectroscopy of exotic hadrons with particular attention to open questions and most recent findings. The existence of seemingly contradictory pictures to explain their nature partly reflects the ignorance about the exact solutions of non-perturbative QCD.
Friday, 13 May 2016, ore 14:30 — Sala Wataghin