The results of the multiplicity distributions of shower, grey, black, and heavily ionizing charged particles from induced16 reactions at 200A GeV are presented. The results are compared with the predictions of the Lund Monte Carlo code fritiof, the multichain model by Ranft, and the Monte Carlo code venus.
NUCLEUS - AVERAGE NUCLEI OF EMULSION.
NUCLEUS - AVERAGE NUCLEI OF EMULSION.
NUCLEUS - AVERAGE NUCLEI OF EMULSION.
The multiplicity distributions and the correlations of different types of slow particles produced in 200A GeV oxygen-induced interactions with emulsion nuclei are presented. The experimental distributions are studied within the framework of the generalized Andersson-Otterlund-Stenlund (AOS) model for nucleus-nucleus interactions. The generalized (AOS) model fails to describe the present experimental data. Also a systematic comparison using the calculations of VENUS model is made. The grey-particles multiplicity is successfully reproduced by the theoretical multistring model VENUS, while the model is inadequate for explaining the distribution of black particles.
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Experimental data on multiplicities and correlations of charged particles of different types produced in collisions of 4.5 A GeV/c carbon-12 with emulsion are reported and discussed. The data are compared with the results of other experiments on nucleus–nucleus and hadron–nucleus collisions. It is found that the particle production mechanism in nucleus–nucleus collisions is almost the same as in hadron–nucleus collisions. It is also observed that the shower particles' multiplicity distributions obey a KNO type scaling law, which supports the aforementioned result.
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