Particle production at high energies

An explicit Mueller-Regge model is constructed for the investigations of one-particle-inclusive 2 processes in the fixed-M and triple-Regge region. The model is then applied in the studies of [delta] production and vector and tensor meson productions. The inclusive cross sections and density matrices of the decaying produced resonances are considered and compared with the available data. The qualitative behaviour of the cross section data can be approximately accounted for by the model, but the model is not satisfactory in details. By analogy with two-body processes absorption is introduced and the resultant model with cuts is used in the reinvestigations of the data. There is some improvement in the agreement between the model and the data with the introduction of absorption.