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5. 过程J/ψ→(-p)+X,X→Δ+π产生重子共振态X的研究

过程J/ψ→(-p)+X,X→Δ+π产生重子共振态X的研究

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：lvz

【摘 要】

：

利用螺旋度角分布分析和推广的矩分析方法,讨论了J/ψ衰变过程J/ψ→(-p)+X,X→Δ+π,其中p和Δ分别是反质子和自旋-宇称为(3/2)+的Δ重子,给出了相应于自旋-宇称为(1/2)±,(

【作 者】

：

沈齐兴 郁宏 

【机 构】

：

中国科学院高能物理研究所

【出 处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

J/ψ衰变 混杂重子态 角分布 矩分析 

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论文部分内容阅读

利用螺旋度角分布分析和推广的矩分析方法,讨论了J/ψ衰变过程J/ψ→(-p)+X,X→Δ+π,其中p和Δ分别是反质子和自旋-宇称为(3/2)+的Δ重子,给出了相应于自旋-宇称为(1/2)±,(3/2)±和(5/2)±的重子共振态(包括混杂重子态)X的角分布和矩表达式. 它们可以用来确定重子共振态X的自旋.

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