Probing chiral symmetry of nucleons by threshold ηπ production

被引：8
|
作者：
Jido, D
Oka, M
Hosaka, A
机构：
[1] Univ Valencia, CSIC, IFIC, Inst Invest Peterna, Valencia 46071, Spain
[2] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan
[3] Osaka Univ, Nucl Phys Res Ctr, Ibaraki, Osaka 5670047, Japan
来源：
PROGRESS OF THEORETICAL PHYSICS | 2001年 / 106卷 / 04期
关键词：
D O I：
10.1143/PTP.106.823
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Double meson production of eta and pi mesons in the threshold region is investigated in order to determine chiral properties of the nucleon. The eta can be used as a probe for the negative parity nucleon N* equivalent to N*(1535), produced in the intermediate state. The coupling of the low energy pion in the final state is then used to extract the sign of the Yukawa coupling, g(piN*N*), which distinguishes the two realizations of chiral symmetry, naive and mirror, for the nucleon.
引用
收藏
页码：823 / 834
页数：12
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