Four-body structure of ${}_{\Lambda }^7$Li and $\Lambda N$ spin-dependent interaction

E. Hiyama, Y. Yamamoto, Th. A. Rijken +1

Two spin-doublet states of %$3/2^{+}$-$1/2^{+}$ and $7/2^{+}$-$5/2^{+}$ in ${}_{\Lambda }^7$Li are studied on the basis of the $\alpha +\Lambda +n+p$ four-body model. We employ the two-body interactions which rep…