Structure of Light Nuclei on Neutron Drip Line |
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Authors: | Zheng-Da WANG Xiao-Dong ZHANG Xiao-Chun WANG Xiao-Bin WANG |
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Institution: | 1. Institute of Modern Physics, Academia Sinica, Lanzhou 730000, China;
2. Department of Modern Physics, Lanzhou University, Lanzhou 730000, China;
3. University of Science and Technology of China, Hefei 230026, China |
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Abstract: | In order to extend the conventional shell model (SM) calculation with harmonic oscillator bases to light nuclei on neutron drip line, a self-similar-structure shell model (SSM) is proposed. We do this by a rescaling of both the kinetic and potential energy terms of the harmonic oscillator so that the single-particle orbit in SSM has its own state(orbit)-dependent frequency. Meanwhile, a new method to imitate the Woods-Saxon potential with harmonic oscillator potential is introduced. By the rescaling method and imitation procedure, all light exotic nuclei together with the light stable nuclei are studied in a unified way. The results are in good agreement with experimental data. Furthermore, the puzzle of the unexistence of 5He, 10Li and 13B is naturaUy explained in SSM. |
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