From quarks and gluons to baryon form factors

被引：24

作者：

Eichmann, Gernot ^{[1
]}

机构：

[1] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany

来源：

PROGRESS IN PARTICLE AND NUCLEAR PHYSICS | 2012年 / 67卷 / 02期

基金：

奥地利科学基金会;

关键词：

Nucleon; Delta; Form factors; Dyson-Schwinger equations; Faddeev equations;

D O I：

10.1016/j.ppnp.2011.12.024

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：

I briefly summarize recent results for nucleon and Delta(1232) electromagnetic, axial and transition form factors in the Dyson-Schwinger approach. The calculation of the current diagrams from the quark-gluon level enables a transparent discussion of common features such as: the implications of dynamical chiral symmetry breaking and quark orbital angular momentum, the timelike structure of the form factors, and their interpretation in terms of missing pion-cloud effects. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：234 / 238

页数：5

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