Effect of the tensor force in the exchange channel on the spin-orbit splitting in 23F in the Hartree-Fock framework

Details Effect of the tensor force in the exchange channel on the spin-orbit splitting in 23F in the Hartree-Fock framework Effect of the tensor force in the exchange channel on the spin-orbit splitting in 23F in the Hartree-Fock framework

2007-05-10

arxiv.org/abs/0705.1419v1

Phys.Rev.C76:054310,2007

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevC.76.054310

We study the spin-orbit splitting ($ls$-splitting) for the proton d-orbits in 23F in the Hartree-Fock framework with the tensor force in the exchange channel. 23F has one more proton around the neutron-rich nucleus 22O. A recent experiment indicates that the ls-splitting for the proton d-orbits in 23F is reduced from that in 17F. Our calculation shows that the ls-splitting in 23F becomes smaller by about a few MeV due to the tensor force. This effect comes from the interaction between the valence proton and the occupied neutrons in the 0d5/2 orbit through the tensor force and makes the ls-splitting in 23F close to the experimental data.

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