Abstract
Within the context of basic left-right symmetry and the hypothesis of unification of weak, electromagnetic and strong forces at a mass level ≈10 4−10 6 GeV, relatively light “mass” axial gluons, confined or liberated, must be postulated. We remark that the existence of such “light” axial gluons supplementing the familiar vector octet preserves the successes of QCD, both for deep inelastic processes and charmonium physics. Through the characteristic spin-spin force, generated by their exchange, they may even help resolve some of the discrepancies between vector QCD predictions and charmonium physics. The main remark of this note is that if colour is liberated, not only vector but also axial vector gluons are produced in high-energy e −e + experiments, e.g., at PETRA and PEP, with fairly large cross section. Distinctive decay modes of such liberated axial gluons are noted.
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