Multiparticle Production and Percolation of Strings
  It is shown that the multiplicity distribution associated to self-shadowing events satisfies an universal equation in terms of the minimum bias distribution. The number of elementary collisions, basic in the structure of any multiple scattering, is reduced if a collective effect like percolation of strings takes place. The main consequences of the percolation are briefly discussed. 
C. Pajares, C.A. Salgado and E.G. Ferreiro