SOME FEATURES OF INELASTIC INTERACTIONS OF 28Si AND 12C IONS IN NUCLEAR EMULSION AT 4.5A GeV/c

Abstract

Multiplicity distributions of various types of tracks produced in inelastic interactions of 28 Si and 12 C at 4.5A GeV/c with nuclear emulsion nuclei have been investigated. The correlations of the type <Ni(Nj)> where Ni, Nj=Ng, Nb, Nh or Ns with i≠j have been studied and compared with the results from p-Em interactions at the same momentum per nucleon. Some saturation effects in the values of <Nb> with Ng are observed. Furthermore, some of these correlations show almost similar dependence in nucleus-nucleus and proton-nucleus interactions at same per particle momenta. The values of <Ns> have been obtained by subtracting the contribution of Z=1 fragments to the observed showers. The dependence of <Ns> so obtained on the number of interacting projectile nucleons shows that the nucleus-nucleus collisions at these energies can be interpreted in terms of multiple N-N collisions.