Analysis of the High Energy Jet Showers. III*) ---Analysis of Experimental Data--

*** duced for the kinematical analysis of the experimental data of cosmic ray jet phenomena. The most important results obtained by the new kinematical approach can be summarized as follows: 1) The total energy and the total angular momentum in the Center of Mass system (C. M.S.) converted into secondary mesons are obtained from the angular distribution in the Laboratory System (L. S.), without any information or assumption about the incident energy of jet shower and the shape and symmetry of the angular distribution of secondary mesons in the C. M.S. Furthermore, these quantities are only slightly affected by the asymmetry emission of secondary' meson in the C. M.S. 2) The inelasticity of collision in the Mirror System (M. S) is obtained using the emission angles of secondary mesons in L. S. without the infor­ mation of the incident energy. 3) The quantities concerns to recoiled particle is obtained from the angular distribution of the secondary mesons in the L. S. 4) Lorentz factor of the C. M.S., of the collision, rc, is estimated in a more reliable way than Castagnoli's 2 ) formulae. Through the kinematics presented in (I), no assumption has been in tro­ d uced besides the charge independence of the secondary mesons and the knowledge of the constant and known transverse momentum. The study of the statistical precisions of the method has been done in Part (Il)