Study of $Λ$ hypernuclei in the quark mean field model

Details Study of $Λ$ hypernuclei in the quark mean field model Study of $Λ$ hypernuclei in the quark mean field model

2001-04-24

arxiv.org/abs/nucl-th/0104072v2

Nucl.Phys. A707 (2002) 469-476

Physics

Nuclear Physics

Nuclear Theory

8 pages, LaTeX, 3 ps figures, revised version, references added

Scientific paper

10.1016/S0375-9474(02)00961-2

We extend the quark mean field model to the study of $\Lambda$ hypernuclei. Without adjusting parameters, the properties of $\Lambda$ hypernuclei can be described reasonably well. The small spin-orbit splittings for $\Lambda$ in hypernuclei are achieved, while the $\Lambda$ single particle energies in the present model are slightly underestimated as compared with the experimental values. About 3% deviation from the quark model prediction for the $\omega-\Lambda$ couplings is required in order to reproduce the experimental single particle energies.

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