Deformation and spin-orbit splitting of A hypernuclei in the Skyrme-Hartree-Fock approach
PHYSICAL REVIEW C(2023)
摘要
The realizations of spin symmetry in the Lambda hyperon spectra of hypernuclei ranging from light to heavy masses are investigated in the framework of the deformed Skyrme-Hartree-Fock approach. The effect of deformation on spin symmetry and its interplay with the required spin-orbit force is studied in detail. It is found that the spin symmetry prevails due to a small spin-orbit force. Moreover, for spin doublets with the same principal quantum number n, the reduced spin-orbit splitting Delta E-s.o. shows a good linear relation with respect to the quantum number l, even for a large Lambda N spin-orbit strength.
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