QCD at large and short distances

Details QCD at large and short distances QCD at large and short distances

1997-08-21

arxiv.org/abs/hep-ph/9708424v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

39 pages, Latex, 115 figures included using epsfig.sty

Scientific paper

The formulation of QCD which contains no divergences and no renormalization procedure is presented. It contains both perturbative and non-perturbative phenomena. It is shown that, due to its asymptotically free nature, the theory is not defined uniquely. The chiral symmetry breaking and the nature of the octet of pseudo-scalar particles as quasi-Goldstone states are analysed in the theory with massless and massive quarks. The U(1) problem is discussed.

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