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实验测量了7Li+11B体系的弹性散射角分布,其中弹核7Li的入射能量分别为9.85,13.3,18.3,23.3和28.3 MeV,测量的角度范围为θc.m.≈15?~80?。通过对本次实验数据以及文献中34 MeV的数据拟合,抽取了该体系的唯象光学势参数。结果表明,在固定作用势形状因子下,势深度与能量具有线性相依的关系:实部深度随着弹核能量的增加而线性减小,而虚部深度则在平均值10.35 MeV附近变化。

10.11804/NuclPhysRev.30.02.117

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