摘要: 评述了高能重离子碰撞中多粒子产生的热力学模型，并根据该模型的最新发展，研究了有关高能核－核碰撞中簇射粒子的赝快度分布问题． The thermodynamic models for multiparticle production in high energy heavyion collisions are reviewed.According to the recent developments of the thermodynamic models,the pseudorapidity distributions of shower particles produced in high energy nucleusnucleus collions are investigated.