Abstract
This work displays a study of the compound multiplicity characteristics of 14.6 and 200 AGeV/c 28Si and 32S-emulsion interactions, where the number of shower and grey particles taken together is termed as compound multiplicity, Nc. It has been found that the average compound multiplicity depends on the mass number of the projectile, Ap, and energy of the projectile. A positive linear dependence of the compound multiplicity on the black, grey, heavy and shower particles has been found. Also the scaling of compound multiplicity distributions produced in these interactions has been studied in order to check the validity of KNO-scaling. A simplified universal function has been used to represent the experimental data. The experimental results have been compared with those obtained by analyzing events generated with the computer code FRITIOF based on Lund Monte Carlo model.
Highlights
The study of relativistic heavy-ion collisions has provided new avenues in the field of high energy physics for giving information about the mechanism of particle production
We present our experimental results on the compound multiplicity of grey and shower particles taken together and their characteristics with respect to other emitting particles in inelastic collision of 28Si and 32S with nuclear emulsion at 14.6 and 200 AGeV respectively
In order to check the role of target size dependence on the compound multiplicity, the present data are categorized into three groups of CNO, AgBr and Emulsion events
Summary
The study of relativistic heavy-ion collisions has provided new avenues in the field of high energy physics for giving information about the mechanism of particle production. It is accepted that in high energy nucleus-nucleus collisions, the emission of fast target associated particles mostly the knocked out protons known as grey particles, takes place at a relatively latter stage of the collision. In case of h-A interactions, the FRITIOF model presumes that the string that originated from the projectile can interact with various intra-nuclear nucleons It goes into a highly excited state. We present our experimental results on the compound multiplicity of grey and shower particles taken together and their characteristics with respect to other emitting particles in inelastic collision of 28Si and 32S with nuclear emulsion at 14.6 and 200 AGeV respectively. A simplified universal function has been used to represent the experimental data
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