Photoproduction of η and η′ mesons on the nucleon

被引：11
|
作者：
Tiator, Lothar [1 ]
机构：
[1] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2007年 / 22卷 / 2-3期
关键词：
eta meson; photoproduction; nucleon resonances;
D O I：
10.1142/S0217751X0703546X
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 isobar models eta-MAID and eta'-MAID have been used to analyze new data on quasi-free. photoproduction on the deuteron from Bonn and recent eta' data on the proton from Jlab. In eta photoproduction on the neutron a bump around W = 1700 MeV was observed which could possibly arise from a narrow P-11 state that is discussed as a non-strange member of the Theta(+) antidecuplett. In eta' photoproduction on the proton resonance contributions are found that can be attributed to missing resonances in the energy region around W = 1900 MeV.
引用
收藏
页码：297 / 304
页数：8
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