Transverse Momentum in the Multiple Production Processes and Urbaryon Rearrangement Model

Abstract

Several characteristic features of p_T distribution are studied on the basis of the multibody amplitude of urbaryon rearrangement model which is a generalization of the all-angle formula for two-body hadronic reactions at high energies. Several characteristic structures of amplitudes of the model are compared with other models. The seagull behaviour observed in the longitudinal momentum dependence of the average p_T of pion is explained as a result of long range correlation among the hadrons linked each other by rearranged urbaryons. It is also shown that the increase of average p_T with particle mass and the dependence on unitary spins such as strangeness and charm are well reproduced by the model amplitudes.