Magic numbers in exotic nuclei and spin-isospin properties of the NN interaction |
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| Authors: | Otsuka T Fujimoto R Utsuno Y Brown B A Honma M Mizusaki T |
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| Institution: | Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. |
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| Abstract: | The magic numbers in exotic nuclei are discussed, and their novel origin is shown to be the spin-isospin dependent part of the nucleon-nucleon interaction in nuclei. The importance and robustness of this mechanism is shown in terms of meson exchange, G-matrix, and QCD theories. In neutron-rich exotic nuclei, magic numbers such as N = 8, 20, etc. can disappear, while N = 6, 16, etc. arise, affecting the structure of the lightest exotic nuclei to nucleosynthesis of heavy elements. |
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