Hyperon halo structure of C and B isotopes

Ying Zhang, H. Sagawa, E. Hiyama
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引用次数: 1

Abstract

We study the hypernuclei of C and B isotopes by Hartree-Fock model with Skyrme-type nucleon-nucleon and nucleon-hyperon interactions. The calculated $\Lambda$ binding energies agree well with the available experiment data. We found halo structure in the hyperon $1p$-state with extended wave function beyond nuclear surface in the light C and B isotopes. We also found the enhanced electric dipole transition between $1p$- and $1s$-hyperon states, which could be the evidence for this hyperon halo structure.
C和B同位素的超子晕结构
我们用具有skyrme型核子-核子和核子-超子相互作用的Hartree-Fock模型研究了C和B同位素的超核。计算得到的$\Lambda$结合能与现有实验数据吻合较好。在轻C和轻B同位素中发现了超子$1p$-态的光晕结构,其波函数扩展到核表面以外。我们还发现$1p$-和$1s$-超子态之间的电偶极子跃迁增强,这可能是这种超子晕结构的证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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