We have applied a geometrical approach to study pp / p$\bar{p}$ inelastic scattering over the range of center mass energies from 44.5 to 900 GeV. The multiplicity distributions are described by multiple parton-parton collisions without free parameters. The output seems to be consistent with data and the results are discussed. Exploring the possible connection between impact parameter representation of the multiplicity distribution and that of the eikonal function, the range of impact parameters for multiple collisions of partons are estimated. The energy dependence of i parton-parton collisions probability is studied and the average multiplicity is related to hadron opacity at each impact parameter.
Eikonal approximation; Hadronic multiplicity distribution; pp / $\bar{p}$p scattering
