Multiple Meson Production in Nucleon-Nucleon Interactions at Energies of1012ev

Abstract

A nuclear interaction of type $0+20p$ observed in nuclear emulsion was analyzed by measuring the energies and angles of the secondary particles. The primary energy, as determined from the angular distribution of the tracks, is 2.7×${10}^{12}$ ev. This value is in agreement with an independent estimate obtained from the total energy dissipated. A secondary collision of type $0+20n$ was also analyzed in the same way. Its energy is 1.4×${10}^{12}$ ev, which is comparable to the primary energy. The inelasticity of the primary event is ${0.54}_{-0.19\mathrm{}}^{+0.16\mathrm{}}$.