Nuclear Relativistic Hartree-Fock Calculations Including Pions Interacting With a Scalar Field

被引：0

作者：

Marcos, S. ^{[1
]}

Lopez-Quelle, M. ^{[2
]}

Niembro, R. ^{[1
]}

Savushkin, L. N. ^{[3
]}

机构：

[1] Univ Cantabria, Dept Fis Moderna, E-39005 Santander, Spain

[2] Univ Cantabria, Dept Fis Aplicada, Santander, Spain

[3] St Petersburg Univ Telecommun, Dept Phys, St Petersburg, Russia

来源：

NUCLEAR STRUCTURE AND DYNAMICS '12 | 2012年 / 1491卷

关键词：

Relativistic; Hartree-Fock; Single-particle levels; Spin-orbit splittings;

D O I：

10.1063/1.4764251

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of pions on the nuclear shell structure is analyzed in a relativistic Hartree-Fock approximation (RHFA). The Lagrangian includes, in particular, a mixture of pi N pseudoscalar (PS) and pseudovector (PV) couplings, self-interactions of the scalar field sigma and a sigma-pi interaction that dresses pions with an effective mass (m(pi)*). It is found that an increase of m(pi)* strongly reduces the unrealistic effect of pions, keeping roughly unchanged their contribution to the total binding energy.

引用

页码：254 / +

页数：2

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