“…The data from the following inelastic interactions have been analysed: (i) p-Em interactions at P Lab = 27 GeV c −1 [13], 67 GeV c −1 [14], 200 GeV c −1 [14], 300 GeV c −1 [15], 400 GeV c −1 [16], 800 GeV c −1 [17]. (ii) π − -Em interactions at P Lab = 50 GeV c −1 [18], 200 GeV c −1 [19], 340 GeV c −1 [20] and 525 GeV c −1 [21].…”