Evolution of Nuclear Shells due to the Tensor Force
Takaharu OtsukaDepartment of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. [email protected]Toshio SuzukiDepartment of Physics, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, JapanRintaro FujimotoDepartment of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, JapanHubert GraweGSI, D-64291, Darmstadt, GermanyY. AkaishiKEK, Oho, Tsukuba-shi, Ibaraki 305-0801, Japan
2005en
ABI
Аннотация
The monopole effect of the tensor force is presented, exhibiting how spherical single-particle energies are shifted as protons or neutrons occupy certain orbits. An analytic relation for such shifts is shown, and their general features are explained intuitively. Single-particle levels are shown to change in a systematic and robust way, by using the pi + rho meson exchange tensor potential, consistently with the chiral perturbation idea. Several examples are compared with experiments.
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