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arXiv 1002.1254nucl-th
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少核子散射的研究进展

Recent Developments in Few-Nucleon Scattering

A. Kievsky

摘要:

在描述$A=3,4$核时,使用现代核子-核子相互作用,不可能同时再现三核子和四核子结合能。这是在核哈密顿量中包括一个三核子力的必要性的一个表现。存在几种核子三力模型,并应用于轻核的描述。然而,正如这里所讨论的,同时描述三体和四体结合能和$n-d$二重散射长度似乎是有问题的。因此,对其中一些模型进行了比较研究。在不同的分析,我们研究应用的科恩变分原理,制定的积分关系,描述$N-d$散射过程。

英文摘要:

Using modern nucleon-nucleon interactions in the description of the $A=3,4$ nuclei, it is not possible to reproduce both the three- and four-nucleon binding energies simultaneously. This is one manifestation of the necessity of including a three-nucleon force in the nuclear Hamiltonian. Several models of the three-nucleon force exist and are applied in the description of light nuclei. However, as it is discussed here, a simultaneous description of the three- and four-body binding energies and the $n-d$ doublet scattering length seems to be problematic. Accordingly, a comparative study of some of these models is performed. In a different analysis, we study applications of the Kohn Variational Principle, formulated in terms of integral relations, to describe $N-d$ scattering processes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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