Nuclear relativistic Hartree-Fock approximation with weakened pion tensor force

被引：0
|
作者：
S. Marcos
M. López-Quelle
R. Niembro
L. N. Savushkin
机构：
[1] Universidad de Cantabria,
[2] St. Petersburg University for Telecommunications,undefined
来源：
Physics of Atomic Nuclei | 2013年 / 76卷
关键词：
Atomic Nucleus; Nuclear Matter; Tensor Force; 208Pb Nucleus; 132Sn Nucleus;
D O I：
暂无
中图分类号：
学科分类号：
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.
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页码：562 / 576
页数：14
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