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提出双源统计模型并用它研究了158 A GeV Pb+Pb反应中多粒子产生. 模型很好地描述了实验,同时给出一个合理清晰的物理图像. 反应系统由一个热而小的内源和一个大而较凉的外源构成. 外源具有类弹和类靶特征,内源具有反应中心区特征. 在freeze-out时系统仍处于膨胀中.
158 A GeV Pb+Pb反应中多粒子产生的双源统计模型分析
【摘 要】
：
提出双源统计模型并用它研究了158 A GeV Pb+Pb反应中多粒子产生. 模型很好地描述了实验,同时给出一个合理清晰的物理图像. 反应系统由一个热而小的内源和一个大而较凉的外源
【机 构】
：
中国原子能科学研究院,中国科学院兰州重离子加速器国家实验室,Institute for Theoretical Physics,Institute for Nuclear Physics
【出 处】
：
高能物理与核物理
【发表日期】
：
2004年期
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