On a Quasi-Bound State in the K- d System Caused by Strong Interactions

被引：0
作者：
Shevchenko, N. V. [1 ]
机构：
[1] Nucl Phys Inst, Rez 25068, Czech Republic
来源：
FEW-BODY SYSTEMS | 2020年 / 61卷 / 03期
关键词：
SIGMA-HYPERON PRODUCTION; LOW-ENERGY K; P-INTERACTIONS; SCATTERING;
D O I：
10.1007/s00601-020-01560-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It was found that N N potential could influence the results of the quasi-bound state search in the K- d system, where the corresponding pole is situated close to the threshold. Three-body Faddeev-type calculations of the (K) over bar N N - pi Sigma N system performed with a new model of nucleon-nucleon interaction predict the existence of the quasi-bound K- d state caused by strong interactions. Its binding energy is small (1-2 MeV), while the width is comparable with the width of the K- pp quasi-bound state (40-60 MeV).
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