论文标题

使用(18o,16o)二重奏转移反应进行的核结构研究

Nuclear structure studies performed using the (18O,16O) twoneutron transfer reactions

论文作者

Carbone, D., Agodi, C., Cappuzzello, F., Cavallaro, M., Ferreira, J. L., Foti, A., Gargano, A., Lenzi, S. M., Linares, R., Lubian, J., Santagati, G.

论文摘要

在84 MEV入射能量下,测量了13C(18O,16o)15C两中子转移反应的激发能光谱和绝对横截面角分布。该反应选择性地填充了残留核状态下的两种中子构型。精确的有限范围耦合反应通道计算用于分析数据。讨论了两种方法:极端簇和新引入的微观群集。后者利用了质谱幅度在质量参考框架中心,使用Moshinsky Transformation括号从外壳模型计算得出。结果很好地描述了实验横截面,并突出了涉及波函数中的群集配置。

Excitation energy spectra and absolute cross section angular distributions were measured for the 13C(18O,16O)15C two-neutron transfer reaction at 84 MeV incident energy. This reaction selectively populates two-neutron configurations in the states of the residual nucleus. Exact finite-range coupled reaction channel calculations are used to analyse the data. Two approaches are discussed: the extreme cluster and the newly introduced microscopic cluster. The latter makes use of spectroscopic amplitudes in the centre of mass reference frame, derived from shell-model calculations using the Moshinsky transformation brackets. The results describe well the experimental cross section and highlight cluster configurations in the involved wave functions.

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