预平衡反应多步复合理论和复合核反应理论的统一表示

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:shy712108
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将Feshbach-Kerman-Koonin(FKK)量子多步复合(MSC)理论推广至核子自旋为1/2,靶核自旋任意,在j -j表象严格处理角动量耦合,得到自旋为1/2的FKK-MSC公式. 进一步用光学模型吸收代替门态强度函数,以及用复合核衰变宽度代替平衡态的逃逸宽度,给出了FKK-MSC理论与复合核反应Hauser-Feshbach模型(HFM)的一个统一表达式. 这一公式将MSC和HFM与光学模型相联系,对核反应给出自洽和一致的描述. 利用上述工作对一些典型的核反应实验进行了初步地分析,计算结果合理,与实验数据符合尚好.
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