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吕林辉 叶沿林 江栋兴 华辉 郑涛 李智焕 葛愉成 李湘庆 楼建玲 曹中鑫 宋玉收 肖军 李奇特 乔锐 游海波 陈瑞久 徐瑚珊 王建松 郭忠言 张雪荧 李琛 胡正国 陈若富 王猛 徐治国 岳珂 唐彬 臧永东 章学恒 姚向武 陈金达 白真 《中国物理 C》2011,35(10):891-895
A knockout reaction induced by 6He at 61.2 MeV/u was carried out at the HIRFL-RIBLL radioactive beam line. The α core fragments at forward angles were detected in coincidence with the recoiled protons at large angles. From this coincident measurement the valence nucleon knockout mechanism and the core knockout mechanism can be separated according to the polar angle correlation between the core fragments and the recoiled protons. It is demonstrated that, when reconstructing the resonant state of a weakly bound nucleus, the contamination resulting from the core knockout mechanism should be eliminated in order to obtain the correct structure information. 相似文献
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