The ηN scattering length and ηd final states

被引：0
|
作者：
Wycech, S [1 ]
Green, AM [1 ]
机构：
[1] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
来源：
MESONS AND LIGHT NUCLEI | 2001年 / 603卷
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D O I：
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The K-matrix used to describe the coupled piN, etaN, gammaN, pipiN systems favours large 0.7 - 1.05 fm etaN scattering lengths. These generate a sharp cusp, due to a virtual state in the elastic etad amplitude at the threshold. However, its effect on final state interactions in the pn --> etad reaction is shown to be moderate.
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页码：547 / 548
页数：2
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