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Nuclear relativistic Hartree-Fock approximation with weakened pion tensor force

机译:具弱介子张量的核相对论Hartree-Fock近似

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摘要

Properties linked to the single-particle energies, as nuclear spectra, spin-orbit splittings and shell gaps are investigated in the framework of the relativistic Hartree-Fock approximation with pseudovector coupling for the πN vertex. The role of an effective mass of pions moving in the nuclear medium and its relationship with the strength of pion tensor force is discussed. A simple method to reduce the contribution of this tensor force that considerably improves the single-particle spectrum of nuclei is proposed.
机译:在相对论性Hartree-Fock逼近的框架中研究了与单粒子能量相关的属性,如核能谱,自旋轨道分裂和壳隙,以及πN顶点的伪矢量耦合。讨论了有效质量的介子在核介质中移动的作用及其与介子张量力的关系。提出了一种减小该张量力的贡献的简单方法,该方法可显着改善原子核的单粒子光谱。

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