Nuclear relativistic Hartree-Fock approximation with weakened pion tensor force

被引：5

作者：

Marcos, S. ^{[1
]}

Lopez-Quelle, M. ^{[1
]}

Niembro, R. ^{[1
]}

Savushkin, L. N. ^{[2
]}

机构：

[1] Univ Cantabria, E-39005 Santander, Spain

[2] St Petersburg Univ Telecommun, St Petersburg, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2013年 / 76卷 / 05期

关键词：

MEAN-FIELD-THEORY; FINITE NUCLEI; MATTER; EVOLUTION;

D O I：

10.1134/S1063778813050074

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

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 pi N 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.

引用

页码：562 / 576

页数：15

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