Abstract
It is argued that chirality is not necessarily broken in SU(N) colour theories with a chiral flavour symmetry. In this case, massless fermion bound states contributr to anomaly equations, and loop expansions in a 1/N approach are invalid. As a hint to understanding which option is realized by the theory, we investigate it in two dimensions for very small quark masses. The light spectrum shows a rich structure not obtained in a 1 N expansion. Light flavoured baryons and mesons indicate a partial realization of the chiral symmetry.
| Original language | English |
|---|---|
| Pages (from-to) | 407-411 |
| Number of pages | 5 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 101 |
| Issue number | 6 |
| DOIs | |
| State | Published - 28 May 1981 |
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