Nuclear Transparency in the lightest nuclear interactions

TL;DR

This paper investigates nuclear transparency effects in light nuclear interactions at 4.2 A GeV/c, analyzing experimental data and comparing it with simulations to identify different transparency phenomena such as leading, cascade, and medium effects.

Contribution

It introduces an analysis of nuclear transparency in light nuclei using the half-angle technique and compares experimental results with cascade model simulations.

Findings

Identification of nuclear transparency effects in experimental data

Classification of transparency effects into leading, cascade, and medium groups

Comparison showing partial agreement between experimental data and cascade model simulations

Abstract

Some experimental results on nuclear transparency effect in pC- and dC-interaction at 4.2 A GeV/c (JINR Dubna) are presented. The "half angle" ({\theta}1/2) technique was used and the particles with emission angle greater and less than {\theta}1/2 are considered separately. The results of the experimental study have been compared with the simulation data coming from the Dubna Cascade model. The values of average multiplicity, average momentum, and average transverse momentum of charged pions and protons are analyzed as a function of the number of identified protons in an event. We observed some behaviors for the data which could be considered as some nuclear transparency effects. The lasts have been divided into three main groups depending on their probable behavior: leading effect; cascade effect; medium effect.