基于三体力的核物质每核结合能的研究

Khaled S. A. Hassaneen, Soha E. S. Al-Dammas
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引用次数: 0

摘要

我们在Brueckner理论的框架下,利用有效质量和单粒子能量深度的表值研究了零温度下对称核物质和纯中子物质的性质。这些表中的值是根据Hassaneen等人2011年的工作选择的。采用Brueckner-Hartree-Fock近似和密度相关的接触项作为三体力来获得对称核物质的经验饱和性质。三体力提供了压力和不可压缩性的强大增强,与相对论的方法很好地一致。实际的核子-核子相互作用再现了核子-核子相移。计算结果与实验数据吻合较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of Nuclear Binding Energy per Nucleon of Nuclear Matter Based on Three-Body Forces
We study the properties of symmetric nuclear matter and pure neutron matter at zero temperature within the framework of the Brueckner theory using tabulated values of effective masses and depth of the single-particle energies. These tabulated values are chosen according to the work of Hassaneen et al, 2011. The Brueckner–Hartree–Fock approximation plus a density-dependent contact term as a three-body force are used to achieve the empirical saturation property of symmetric nuclear matter. The three-body force provides a strong enhancement of pressure and incompressibility in good agreement with relativistic approaches. Realistic nucleon-nucleon interactions which reproduce the nucleon-nucleon phase shifts are used in the present calculations. Good agreement is obtained in comparison with the experimental data.
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