2019 September 12
2019 September 26
Properties of hadron structure and of multiparticle production in high energy collisions are described by a fractal structure of strong interacting systems which is derived from the scaling properties of QCD or, in general, of Yang-Mills field theory. It is shown that those systems are described by the Tsallis non extensive statistics, and the entropic index, $q$, is determined by the filed theory parameters. Experimental evidences are discussed.