(2+1)-d glueball spectrum within a constituent picture

Abstract

The quantum numbers and mass hierarchy of the glueballs observed in (2+1)-dimensional lattice QCD with gauge group SU(Nc) are shown to be in agreement with a constituent picture. The agreement is maintained when going from glueballs to gluelumps, and when the gauge group SO(2Nc) is taken instead of SU(Nc).