Two pion electroproduction

被引：0
|
作者：
Nacher, JC [1 ]
Oset, E
机构：
[1] Univ Valencia, Ctr Mixto, CSIC, Dept Fis Teor, Valencia, Spain
[2] Univ Valencia, Ctr Mixto, CSIC, IFIC, Valencia, Spain
来源：
ACTA PHYSICA POLONICA B | 2000年 / 31卷 / 10-11期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have extended a model for the gammaN --> pi piN reaction to virtual photons and selected the diagrams which have a Delta in the final state. The agreement found with the gamma (upsilon)p --> Delta (0)pi (+) and gamma (upsilon)p --> Delta (++)pi (-) reactions is good. The sensitivity of the results to Nd transition form factors is also studied. The present reaction, selecting a particular final state, is an extra test for models of the gamma N-upsilon --> pi piN amplitude.
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收藏
页码：2413 / 2417
页数：5
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