Abstract
A study of general characteristics of events accompanied by the emission of fast hadrons into the backward hemisphere in the laboratory system has been carried out for interactions of protons and alpha-particles with nuclei at a momentum of 4.5 GeV/c per nucleon. A unified description of multiplicity distributions of these hadrons for interactions with light and heavy emulsion nuclei has been found. It is shown that the selection of events with fast hadrons flying backward leads to a complete destruction of light nuclei and a strong desintegration of heavy nuclei. A comparison with the cascade-evaporation model, carried out for αA interactions, shows that the model overestimates the multiplication of secondary particles, particularly for light target nuclei.
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