pp系统阈值附近的进一步研究Revisit the Threshold pp System
李猛,陈国英
摘要(Abstract):
我们进一步研究了J/ψ→ωpp,ψ(2S)→γpp衰变末态pp在阈值附近的实验现象.发现通过考虑末态N相互作用可以同时很好地解释J/ψ→γpp,e~+e~-→pp末态阈值附近pp的分布情况,pp→pp阈值附近的散射截面,J/ψ→ωpp在阈值附近没有增强的现象,以及ψ(2S)→γpp在阈值附近不十分明显增强的现象.
关键词(KeyWords): 阈值增强;同位旋;辐射衰变;再散射效应;末态相互作用
基金项目(Foundation): 国家自然科学基金(11147022)
作者(Author): 李猛,陈国英
DOI: 10.13568/j.cnki.651094.2017.02.008
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