Magnetic dipole moment of the S11(1535) from the γp→γηp reaction

被引：23
|
作者：
Chiang, WT [2 ]
Yang, SN
Vanderhaeghen, M
Drechsel, D
机构：
[1] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany
[2] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
来源：
NUCLEAR PHYSICS A | 2003年 / 723卷 / 1-2期
关键词：
magnetic moments; S-11(1535) resonance; meson photoproduction; effective Lagrangian; quark model;
D O I：
10.1016/S0375-9474(03)01160-6
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 gammap --> gammaetap reaction in the S-11(1535) resonance region is investigated as a method to access the S-11 (1535) magnetic dipole moment. To study the feasibility, we perform calculations of the gammap --> gammaetap process within an effective Lagrangian approach containing both the S-11 resonant mechanism and a background of non-resonant contributions. Predictions are made for the forthcoming experiments. In particular, we focus on the sensitivity of cross sections and photon asymmetries to the S-11 (1535) magnetic dipole moment. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：205 / 225
页数：21
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