A phenomenological description of π-Δ++ photo- and electroproduction in nucleon resonance region

被引：50
|
作者：
Ripani, M
Mokeev, V
Anghinolfi, M
Battaglieri, M
Fedotov, G
Golovach, E
Ishkhanov, B
Osipenko, M
Ricco, G
Sapunenko, V
Taiuti, M
机构：
[1] Ist Nazl Fis Nucl, I-16146 Genoa, Italy
[2] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119899, Russia
[3] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia
[4] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy
来源：
NUCLEAR PHYSICS A | 2000年 / 672卷 / 1-4期
关键词：
D O I：
10.1016/S0375-9474(99)00853-2
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：
The pi(-) Delta(++) production on the nucleon by real and virtual photons is discussed as initial step in a simple model approach for the two pion photo- and electroproduction on the nucleon, with emphasis on nucleon resonance excitation which is of interest for new facilities like TJNAE A calculation for pi(-) Delta(++) channel in resonance excitation region is presented and compared to existing experimental data along with a discussion of physical effects that we find to be of relevance. The calculation is proposed as a starting basis for the investigation of N* electromagnetic form factors using experimental data about two pion production by real and virtual photons. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：220 / 248
页数：29
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