Multiple Meson Production in Nucleon-Nucleon Interactions at Energies around 200 GeV

Abstract

The interactions considered as collisions between nucleons with the primary energies of the order of 100 GeV are analyzed.
i) The average values of P_T,⟨P_T⟩, are obtained for individual showers. A shower whose value of ⟨P_T⟩ is exceptionally small, i.e. 0.11 GeV/c, is found.
ii) The energy distribution of secondary particles has the form of inverse square distribution, except for the lowest energy interval (E^*⁄m_πc²<1.5). The average value of energy has a tendency to increase slowly with increasing primary energy, though it is nearly constant up to 200 GeV.
iii) The individual angular distribution of secondary particles in the center-of-mass system seems to differ from event to event, but the overall distribution can be expressed in the form F(cosθ^*)=1+kcos²θ^*, k=5.2±2.0.