Energy spectra in $p$-shell $\Lambda$ hypernuclei and $^{19}_{\Lambda}\textrm{F}$ and spin-dependent $\Lambda N$ interactions
2019
Energy spectra of |$0s$|-orbit |$\Lambda$| states in |$p$|-shell |$\Lambda$| hypernuclei (|$^{A}_\Lambda Z$|) and those in |$^{19}_{\Lambda}\textrm{F}$| are studied with the microscopic cluster model and antisymmetrized molecular dynamics using the |$G$|-matrix effective |$\Lambda N$| (|$\Lambda NG$|) interactions. Spin-dependent terms of the ESC08a version of the |$\Lambda NG$| interactions are tested and phenomenologically tuned to reproduce observed energy spectra in |$p$|-shell |$^{A}_\Lambda Z$|. Spin-dependent contributions of the |$\Lambda N$| interactions to spin-doublet splitting and excitation energies are discussed. Energy spectra for unobserved excited states in |$p$|-shell |$^{A}_\Lambda Z$| and |$^{19}_{\Lambda}\textrm{F}$| are predicted with the modified |$\Lambda NG$| interactions.
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