Negatively Charged Pion Multiplicity Analysis in Hadron-Hadron and Hadron-Nucleus Collisions at Momenta of 1-400 GeV/c

Abstract

Data on the mean multiplicity of negative pion produced in minimum bias proton-proton, proton-neutron and proton-nucleus interactions as well as central nucleus-nucleus interactions at momenta of I .4-400 GeV/c per nucleon have been compared within the framework of a modified I-RITIOF model [1]. [2].The results for neutron-neutron and nucleon-nucleon interactions were then constructed. The dependence of the mean pion multiplicity in proton-nucleus and central nuclear collisions are studied as a function of the collision energy and the nucleus mass number. The model shows good agreement for pi -mesons, as shown in several comparisons in refs