Abstract
We discuss the phenomenological implications of an approximate SU(6)×SU(6)×U(1) symmetry of hadron physics which remains after dynamical symmetry breaking in the strong-coupling lattice gauge theory. This symmetry is similar to but differs in an essential fashion from previous versions of SU(6) × SU(6) × or . The difference resolves some of the problems of the older schemes—for example, although we obtain the "good" result , we avoid the "bad" result . We find that mesons are better approximated as irreducible representations of an than static SU(6). Vector mesons are pseudo-Goldstone bosons in our scheme, which explains why the sum rules for their masses should be written in terms of mass squared, like those of the pseudoscalars.
- Received 23 April 1980
DOI:https://doi.org/10.1103/PhysRevD.22.1190
©1980 American Physical Society