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中文摘要：
用各向同性的火球模型研究了能量为14.6AGeV的16O-Em碰撞中末态产物的发射角分布和能量为4.5AGeV的28Si-Em碰撞中靶核碎块中黑粒子的方位角分布。在这个模型中增加横向流可以描述能量为3.7AGeV的C-Ne和C-Cu碰撞中靶核碎块π-介子和质子的方位角分布。计算结果与实验数据符合得较好,表明改进了的火球模型能够描述高能核-核碰撞的角分布。
英文摘要：
The emission angular distributions of final-state particles produced in 16O-Emulsion（Em） collisions at 14.6 AGeV,and the azimuthal angular distributions for the black particles produced in 28Si-Em at 4.5 AGeV have been studied by an isotropic fireball model.The model including transverse flow is used to describe the azimuthal distributions of midrapidity π-mesons and protons produced in C-Ne and C-Cu collisions at 3.7 AGeV.The calculated results are in agreement with the experimental angular distributions.It shows that the improved fireball model gives a good description of nucleus-nucleus collisions at high energies.
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