Abstract

30 possible nucleon-nucleon interactions of primary energies around 100 GeV observed in a magnet cloud chamber were analyzed in their center of mass systems. The angular distribution of secondary particles was nearly isotropic. The average values of E * and p T were 350 MeV and 220 MeV/c, respectively, the R.M.S. deviations about mean values being 225 MeV and 160 MeV/c. The energy spectrum can be represented as E *-2 d E * . The inelasticity of interactions had a tendency to decrease with increasing primary energies. The average inelasticity in the center of mass system was 0.27±0.05. All interactions had almost equal number of shower particles in the foreward and backward directions in the center of mass system.

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