RELATIVISTIC MESON-EXCHANGE AND ISOBAR CURRENTS IN ELECTRON-SCATTERING - NONINTERACTING FERMI GAS-ANALYSIS

被引：58

作者：

DEKKER, MJ

BRUSSAARD, PJ

TJON, JA

机构：

[1] UNIV UTRECHT, R J VAN DE GRAAFF LAB, 3508 TA UTRECHT, NETHERLANDS

[2] UNIV UTRECHT, INST THEORET PHYS, 3508 TA UTRECHT, NETHERLANDS

来源：

PHYSICAL REVIEW C | 1994年 / 49卷 / 05期

关键词：

D O I：

10.1103/PhysRevC.49.2650

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：

We study two-body currents in the noninteracting relativistic Fermi gas model. Special emphasis is put on the role of the DELTA isobar. Due to a resonance behavior, relativistic two-body isobar currents are found to be important in comparison with experimental data. Real-pion production is studied within the same framework, and the importance and physical implications of the energy dependence of the DELTA-isobar decay width are stressed.

引用

页码：2650 / 2670

页数：21

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