DepartmentofPhysics;
universityofEducation;
P.O.Box25;
Winneba;
Ghana;
InstituteofTheoreticalPhysics;
theChineseAcademyofSciences;
P.O.Box2735;
Beijing100080;
China;
InstituteofHighEnergyPhysics;
theChineseAcademyofSciences;
P.O.Box918;
Beijing100039;
China;
逆反应; 重子交换; 核子; ρ介子; 相互作用; ω介子; 介子耦合; 粒子物理学;