利用U(4)振动子模型的过渡区理论来描述q(q)位形介子的结构. 对实验数据比较完整的57个介子的质量进行了拟合, 并与 O(4) 极限的计算结果以及唯象QCD理论的计算结果进行了比较. 结果表明, 利用过渡区理论对介子质量谱的描述比O(4) 极限更为精确.
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