Interactions of two-baryon systems with strangeness

由Ueda、Riewe和Green提出的核子核子相互作用的单玻色子交换势（OBEP）被推广到超核子核子相互作用。考虑了伪标量、标量和矢量SU(3)非净介子。它们遵循SU(3)不变性。另外还引入了违反SU(3)的介子。成功的结果分为以下I和II。对于ΛΝ-ΣΝ耦合系统，导出了SU(3)违反介子σ、κ、Ω和P的OBEP。电势正确地描述了该体系的散射和反应的所有可用数据。hypertriton的结合能被精确地再现。在ΣNI=3/2 ^3S_1分量上明确了该势与奈梅亨97f的区别点，并提出了如何用实验方法检验它。在SU(3)违反介子σ的情况下，推导了ΞΝ和ΞΞ系统的OBEP。ΞΝ OBEP应用于Ξ^——原子核束缚态。只有耦合常数g_<ΞΞσ>可以调节和确定，才能再现Ξ^—^<12>C束缚态的结合能。我们预测了ΞΝ和ΞΞ系统的散射和束缚态，特别是Ξ-^<11>Β束缚态与实验信号一致。

The One-Boson-Exchange-Potential (OBEP) due to Ueda, Riewe and Green for nucleonnucleon interaction is extended to ones for hyperon-nucleon interactions. The pseudoscalar, scalar and vector SU (3) nonet mesons are taken into account. They follow the SU (3) invariance. Additionally SU (3) violating mesons are introduced. Successful results are classified into the following I and II.I An OBEP is derived with the SU (3) violating mesons, σ, κ, Ω and P, for ΛΝ-ΣΝ coupled system. The potential describes correctly all the available data on the scatterings and reactions of this system. The binding energy of the hypertriton is exactly reproduced. A discriminating point of this potential from Nijmegen 97f one is made clear about the ΣNI=3/2 ^3S_1 component and how to examine it experimentally is suggested.II OBEP's for ΞΝ and ΞΞ systems are also derived witlt the SU (3) violating meson, σ. The ΞΝ OBEP is applied to Ξ^--nucleus bound states. Only the coupliung constant g_<ΞΞσ> is adjustable and determined so as to reproduce the binding energy of Ξ^--^<12>C bound state. We predict the scattering and bound states for ΞΝ and ΞΞ systems and in particular a Ξ-^<11>Β bound state in agreement with an experimental signal.