Near threshold meson production in nucleon-nucleon collisions

被引：0
|
作者：
Haidenbauer, J [1 ]
Baru, V [1 ]
Hanhart, C [1 ]
Speth, J [1 ]
机构：
[1] Forschungszentrum Julich GmbH, Inst Kernphys, D-52425 Julich, Germany
来源：
NUCLEAR DYNAMICS: FROM QUARKS TO NUCLEI | 2003年 / 15卷
关键词：
D O I：
暂无
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：
A model calculation for pion production in nucleon-nucleon collisions is presented. Direct production, pion re-scattering and contributions from pair diagrams are taken into account. The amplitudes for the elementary processes are based on well established microscopic models of nucleon-nucleon and pion-nucleon scattering. The comparison with experiments focuses on recently measured polarization observables. Furthermore, results of a study of the reaction NN --> NNeta are presented, performed in the same spirit and the same framework as pion production. Reasonable agreement with available near-threshold cross section data for the reactions pp --> ppeta, pn --> pneta, and pn --> deta is found.
引用
收藏
页码：37 / 48
页数：12
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