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在假设由同一颗粒发射的π介子为相干发射的条件下,给出了颗粒发射源模型的2π及3π关联函数,发射源的混沌性随颗粒数目的增加而增大.此外,对颗粒相干发射源及部分相干高斯源的归一化纯3π关联进行比较,发现当2π关联的混沌性参量小于0.8时,两种发射源的归一化纯3π关联值在小Q3区域有明显差别.
颗粒相干发射源的2π和3π玻色-爱因斯坦关联
【摘 要】
：
在假设由同一颗粒发射的π介子为相干发射的条件下,给出了颗粒发射源模型的2π及3π关联函数,发射源的混沌性随颗粒数目的增加而增大.此外,对颗粒相干发射源及部分相干高斯源
【机 构】
：
哈尔滨工业大学物理系,大连理工大学物理系,兰州重离子加速器国家实验室原子核理论中心
【出 处】
：
高能物理与核物理
【发表日期】
：
2004年期
【基金项目】
：
国家自然科学基金;
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