标量介子f0(1370),f0(1500)和f0(1710)的混合与衰变

被引:0
|
作者
陈建兴 [1 ]
张立梅 [1 ]
夏环宇 [1 ]
机构
[1] 辽宁师范大学物理与电子技术学院
关键词
胶球; 夸克偶素; 混合; 衰变分支比;
D O I
暂无
中图分类号
O572.33 [介子];
学科分类号
070202 ;
摘要
基于3×3质量混合矩阵,我们研究了3个主要的标量胶球候选者——f0(1370),f0(1500)和f0(1710)的夸克胶子组成.利用唯象模型计算它们衰变到赝标量末态的分支比,将结果与最新实验数据进行拟合,我们得到f0(1370),f0(1500)和f0(1710)的味组成.同时,对其他几个衰变分支比进行了预言并发现f0(1370)中|N〉的成分较大,而f0(1500)和f0(1710)更接近于纯胶球态.
引用
收藏
页码:411 / 415
页数:5
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