Universal scaling of kinetic freeze-out parameters across different collision systems at LHC energies

被引:0
|
作者
刘炼 [1 ]
殷中宝 [2 ]
郑亮 [1 ,2 ]
机构
[1] School of Mathematics and Physics, China University of Geosciences (Wuhan)
[2] Key Laboratory of Quark and Lepton Physics (MOE) and Institute of Particle Physics, Central China Normal University
基金
中国国家自然科学基金;
关键词
Blast-Wave model; Tsallis statistics; transverse momentum spectra; small system;
D O I
暂无
中图分类号
O572.214 [];
学科分类号
070202 ;
摘要
In this study,we perform Tsallis Blast-Wave analysis on the transverse momentum spectra of identified hadrons produced in a wide range of collision systems at the Large Hadron Collider(LHC) including pp,pPb,XeXe,and PbPb collisions.The kinetic freeze-out properties varying with event multiplicity are investigated across these systems.We find that the extracted kinetic freeze-out temperature,radial flow velocity,and non-extensive parameter exhibit a universal scaling behavior for these systems with very different geometric sizes,especially when the independent baryon Tsallis non-extensive parameter is considered.This universality may indicate the existence of a unified partonic evolution stage in different collision systems at the LHC energies.
引用
收藏
页码:133 / 147
页数:15
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