Speaker
Anthony Thomas
Description
While we can now claim to understand most of the properties of the ground state baryons very well, the same cannot be said for excited states. To claim that we fully understand how QCD works the study of excited baryons is a key challenge. This is an area where lattice QCD is becoming increasingly important. However, if lattice studies are to do more than simply match phase shift analyses while not yielding physical insight into the nature of the states, we need ways to interpret the lattice results. Non-perturbative Hamiltonian studies of data from both experiments and the lattice have already proven capable of providing such insight, as we shall discuss.