Pseudo-rapidity distributions of charged particles in asymmetric collisions using Tsallis thermodynamics

The pseudo-rapidity distributions of the charged particles produced in the asymmetric collision systems p+Al, p+Au and 3 He+Au at s NN = 200 GeV are evaluated in the framework of a fireball model with Tsallis thermodynamics. The fireball model assumes that the experimentally measured particles are p...

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Veröffentlicht in:Nuclear science and techniques 2023-11, Vol.34 (11), p.120-127, Article 172
Hauptverfasser: Tao, Jun-Qi, He, Hong-Bin, Zheng, Hua, Zhang, Wen-Chao, Liu, Xing-Quan, Zhu, Li-Lin, Bonasera, Aldo
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container_end_page 127
container_issue 11
container_start_page 120
container_title Nuclear science and techniques
container_volume 34
creator Tao, Jun-Qi
He, Hong-Bin
Zheng, Hua
Zhang, Wen-Chao
Liu, Xing-Quan
Zhu, Li-Lin
Bonasera, Aldo
description The pseudo-rapidity distributions of the charged particles produced in the asymmetric collision systems p+Al, p+Au and 3 He+Au at s NN = 200 GeV are evaluated in the framework of a fireball model with Tsallis thermodynamics. The fireball model assumes that the experimentally measured particles are produced by fireballs following the Tsallis distribution and it can effectively describe the experimental data. Our results as well as previous results for d+Au collisions at s NN = 200 GeV and p+Pb collisions at s NN = 5.02 TeV validate that the fireball model based on Tsallis thermodynamics can provide a universal framework for pseudo-rapidity distribution of the charged particles produced in asymmetric collision systems. We predict the centrality dependence of the total charged particle multiplicity in the p+Al, p+Au and 3 He+Au collisions. Additionally, the dependences of the fireball model parameters ( y 0 a , y 0 A , σ a and σ A ) on the centrality and system size are studied.
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subjects Beam Physics
Nuclear Energy
Particle Acceleration and Detection
Particle and Nuclear Physics
Physics
Physics and Astronomy
title Pseudo-rapidity distributions of charged particles in asymmetric collisions using Tsallis thermodynamics
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