【摘 要】
：
基于螺旋度分波分析公式,我们探讨在J/ψ→fJφ(θ1,φ1)、fJ→ππ(θ2,φ2)、φ→K+K-(θ3,φ3)级联衰变过程中是否可以通过各种一维角分布投影鉴别出f0和f2共振态.结果表
【机 构】
：
中国科学院高能物理研究所,辽宁技术大学基础科学系
论文部分内容阅读
基于螺旋度分波分析公式,我们探讨在J/ψ→fJφ(θ1,φ1)、fJ→ππ(θ2,φ2)、φ→K+K-(θ3,φ3)级联衰变过程中是否可以通过各种一维角分布投影鉴别出f0和f2共振态.结果表明,f0和f2可以同时给出完全相同的(θ1,φ1,θ2,φ2)一维投影,但不能同时给出完全相同的(θ1,φ1,θ2,φ2,φ3)一维投影.因此,要想保证从角分布的一维投影鉴别出f0和f2,必须同时考虑所有三个衰变顶角的角分布信息.
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