在浦项中子装置(PNF)的100 MeV电子直线加速器上利用透射法和飞行时间法测量了20gBi的0.1～100 eV的中子全截面.文中对于实验装置特点、用吸收片法拟合本底、拟合中子飞行距离和时间零点的处理过程做了较为详细的描述.测量结果与以前发表的实验数据以及评价数据ENDF/B-VII.1做了比较,比较结果符合得较好.
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