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首页> 外文期刊>Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions >EVALUATION OF AN EIKONAL MODEL FOR LI-11-NUCLEUS ELASTIC SCATTERING
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EVALUATION OF AN EIKONAL MODEL FOR LI-11-NUCLEUS ELASTIC SCATTERING

机译：Li-11-核弹性散射的本征模型评价

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An eikonal model is presented and evaluated for the elastic scattering of Li-11 from target nuclei. The Li-11 is treated as a Li-9+n+n three-body system interacting with the target through two-body Li-9- and neutron-target interactions. A careful quantitative investigation of the sensitivity of the calculated elastic-scattering cross section to the required theoretical inputs, the neutron and Li-9-target potentials and the assumed structure of the Li-11, is presented. Since the structure of the Li-11 halo is not yet known, we investigate the extent to which elastic-scattering data are able to discriminate between different theoretical Li-11 wave-function models. We find that there is some sensitivity in the calculated elastic cross-section angular distributions to the degree of neutron correlations in the Li-11 wave function and that these are more significant at lower incident energies and on lighter targets. We conclude that the current uncertainty in the Li-9-target interaction is the major obstacle to elucidating the structure of Li-11 from present elastic-scattering data. [References: 46]
机译：提出了一个模型模型并评估了Li-11从靶核的弹性散射。 Li-11被视为通过两体Li-9和中子-靶相互作用与靶相互作用的Li-9 + n + n三体系统。提出了对计算的弹性散射截面对所需理论输入，中子和Li-9目标电势以及Li-11假定结构的敏感性的仔细定量研究。由于Li-11光晕的结构尚不清楚，因此我们研究了弹性散射数据能够区分不同理论Li-11波函数模型的程度。我们发现，在计算的弹性横截面角度分布中，对于Li-11波函数中的中子相关程度具有一定的敏感性，并且在较低的入射能量和较轻的目标上，这些影响更为显着。我们得出的结论是，目前Li-9-靶相互作用的不确定性是从目前的弹性散射数据阐明Li-11结构的主要障碍。 [参考：46]

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