Lower Bound for ppK- Quasi-Bound State Energy

被引：2
|
作者：
Filikhin, I. [1 ]
Vlahovic, B. [1 ]
机构：
[1] North Carolina Cent Univ, Phys Dept, Durham, NC 27707 USA
来源：
PHYSICS OF PARTICLES AND NUCLEI | 2020年 / 51卷 / 05期
基金：
美国国家科学基金会;
关键词：
SCATTERING; BINDING;
D O I：
10.1134/S1063779620050032
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The kaonic cluster ppK(-) is described as NN (K) over bar (s(NN) = 0) system within the isospin formalism based on the configuration space Faddeev equations. In the model, the isospin singlet N (K) over bar state is a deeply bound state associated with Lambda(1405) hyperon. The phenomenological isospin-dependent N (K) over bar potentials are used for the calculation of ppK(-) quasi-bound state energy. The existence of a lower bound for the energy is shown by theoretical and numerical analysis. In contrast to the isospin formalism based model, the isospinless model obtained by isospin averaging N (K) over bar potential is also considered. The results of both models are compared.
引用
收藏
页码：979 / 987
页数：9
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