丰中子核8He在Si靶上的反应总截面的测量

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:huangwei0541
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利用HIRFL 50MeV/u 13C束流在Be靶上碎裂,RIBLL选择出丰中子放射性次级束流8He,实验测量了25-40MeV/u8He在28Si靶上的反应总截面.采用双参数HO密度分布形式,通过微观Glauber模型拟合8He实验数据,发现8He具有扩展的中子密度分布.实验结果与Warner反应总截面实验和Alkhazov弹性散射实验结果较好地符合.
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