Abstract
We show that in Anisotropic Chromo-Dynamics (ACD), a new approach to the dynamics of coloured, confined quarks, the π-meson is a qq̄-bound state very close to the Nambu-Goldstone boson of a spontaneously broken chiral symmetry. We calculate the “current” quark masses and obtain m u (0) ≈ m d (0) ≈ 18 MeV, and m s (0) ≈ 123 Mev, in disagreement with the usual “strong PCAC” Ansatz.
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