On relativistic approaches to the pion self-energy in nuclear matter

L. B. Leinson; A. Perez

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On relativistic approaches to the pion self-energy in nuclear matter

机译：关于核物质中介子自能的相对论方法

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摘要

We argue that, in contrast to the non-relativistic approach, a relativistic evaluation of the nucleon-hole and delta-isobar-nucleon-hole contributions to the pion self-energy incorporates the s-wave scattering, whose magnitude within the RPA is in conflict with the near-threshold behavior imposed by chiral symmetry. As a result, a relativistic approach to the pion self-energy in isospin-symmetric nuclear matter, containing only these diagrams, does not satisfy the known experimental results on the near-threshold behavior of the π-nucleon (forward) scattering amplitude.

机译：我们认为，与非相对论方法相反，相对论评估核子孔和δ-等压子-核子孔对介子自能的贡献包括了s波散射，其在RPA中的大小在与由手性对称性强加的接近阈值行为冲突。结果，仅包含这些图的同位旋对称核物质中介子自能的相对论方法不能满足已知的关于π-核子（正向）散射幅度的近阈值行为的实验结果。

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《The European Physical Journal, A. Hadrons and Nuclei》 |2004年第3期|共4页
作者
L. B. Leinson; A. Perez;
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正文语种 eng
中图分类原子核物理学;
关键词
Many-body theory; Nucleon-nucleon interactions (including antinucleons; deuterons; etc.); Nuclear matter; Low and intermediate energy heavy-ion reactions;

机译：多体理论;核子-核子相互作用（包括反核子;氘核等）;核物质;低和中能重离子反应;

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专利

1. On relativistic approaches to the pion self-energy in nuclear matter [J] . L. B. Leinson, A. Perez The European Physical Journal, A. Hadrons and Nuclei . 2004,第3期

机译：关于核物质中介子自能的相对论方法
2. Relativistic self-energy decomposition of nuclear symmetry energy and equation of state of neutron matter within QCD sum rules [J] . Cai Bao-Jun, Chen Lie-Wen Physical review, C . 2019,第2期

机译：在QCD和规则中的核对称能量和中子物质状态方程的相对论自能分解
3. Relativistic Particle-Hole and Delta-Hole Excitations for Pion Propagator in Nuclear Matter [J] . Liang-Gang Liu, W. H. Ma, H. C. Chiang Communications in Theoretical Physics . 1996,第3期

机译：核物质中介子传播的相对论粒子孔和δ孔激发。
4. Nuclear Tensor Force and Effective Pions in the Relativistic Hartree-Fock Formalism [C] . S. Marcos, M. López-Quelle, R. Niembro, International Nuclear Physics Conference . 2014

机译：相对论Hartree-Fock形式主义中的核张力和有效接头
5. A QCD sum rule description of baryon self-energies in nuclear matter. [D] . Jin, Xuemin. 1993

机译：QCD和规则描述核物质中重子的自能量。
6. The properties of nuclear matter with lattice NN potential in relativistic Brueckner-Hartree-Fock theory [O] . Jinniu Hu, Hiroshi Toki, Hong Shen -1

机译：相对论Brueckner-Hartree-Fock理论中具有晶格NN势的核物质的性质
7. On relativistic approaches to the pion self-energy in nuclear matter [O] . Leinson, L B, Pérez, A 2003

机译：关于核物质中介子自能的相对论方法

On relativistic approaches to the pion self-energy in nuclear matter

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