Ωw States in a Chiral Quark Model

被引：0
|
作者：
WANG Wen-Ling LIU Feng Institute of Particle Physics
机构：
来源：
Communications in Theoretical Physics | 2007年 / 48卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Ωω quasi-bound states; quark model; chiral symmetry;
D O I：
暂无
中图分类号：
O572.33 [介子];
学科分类号：
摘要：
The structures of Ωω states with spin-parity J=5/2~-,3/2~-,and 1/2~- are dynamically studied in boththe chiral SU(3)quark model and the extended chiral SU(3)quark model by solving a resonating group method(RGM)equation.The model parameters are taken from our previous work,which gave a satisfactory description of the energiesof the baryon ground states,the binding energy of the deuteron,the nucleon-nucleon(NN)scattering phase shifts,andthe hyperon-nucleon(YN)cross sections.The calculated results show that the Ωω state has an attractive interaction,and in the extended chiral SU(3) quark model such attraction can make for a Ωω quasi-bound state with spin-parityJ~ρ=3/2~- or 5/2~- and the binding energy of about several MeV.
引用
收藏
页码：695 / 698
页数：4
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