2 papers
hep-ph2015
Towards a Theoretical Understanding of the XYZ Mesons from QCD
Eric Braaten
The XYZ mesons are mesons that contain a heavy quark and antiquark but have properties that seem to require additional constituents. Some of them are electrically charged, so they…
nucl-th2015
Contemporary continuum QCD approaches to excited hadrons
Bruno El-Bennich, Eduardo Rojas
Amongst the bound states produced by the strong interaction, radially excited meson and nucleon states offer an important phenomenological window into the long-range behavior of th…