Form factors and photoproduction amplitudes

被引：98

作者：

Davidson, RM ^{[1
]}

Workman, R

机构：

[1] Rensselaer Polytech Inst, Dept Phys Appl Sci & Astron, Troy, NY 12180 USA

[2] George Washington Univ, Dept Phys, Washington, DC 20052 USA

[3] George Washington Univ, Ctr Nucl Studies, Washington, DC 20052 USA

来源：

PHYSICAL REVIEW C | 2001年 / 63卷 / 02期

关键词：

D O I：

10.1103/PhysRevC.63.025210

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 examine the use of phenomenological form factors in tree level amplitudes for meson photoproduction. Two common recipes are shown to be fundamentally incorrect. An alternate form consistent with gauge invariance and crossing symmetry is proposed.

引用

页数：5

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