Abstract
Hypernuclei ranged from light to heavy mass are systematically investigated using a relativistic mean-field (RMF) model with a novel proposed ωΛΛ tensor coupling interaction PK1-Y1. The tensor coupling effect on core polarization, and the orbital contribution to hyperon current are discussed. Contributions to the magnetic moment from pΛ and n−1Λ systems are found to be opposite. An expression of the magnetic moment under perturb treatment is improved with an ωΛΛ tensor coupling and the core-polarized magnetic moment μDpol. is found to be approximately proportional to the coupling strength gωN · gωλ2. Self-consistent calculations under a perturb treatment show a semi-linear relationship as μDpol. ∼ gωλ when gωN is fixed.
Published Version
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