Magic Numbers in Exotic Nuclei and Spin-Isospin Properties of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">NN</mml:mi></mml:math>Interaction
Takaharu OtsukaDepartment of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, JapanRintaro FujimotoDepartment of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, JapanY. UtsunoJapan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, JapanB. A. BrownNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824Michio HonmaCenter for Mathematical Sciences, University of Aizu, Tsuruga, Ikki-machi, Aizu-Wakamatsu, Fukushima 965-8580, JapanT. MizusakiDepartment of Law, Senshu University, Higashimita, Tama, Kawasaki, Kanagawa, 214-8580, Japan
2001en
ABI
Annotatsiya
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 $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}8$, 20, etc. can disappear, while $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}6$, 16, etc. arise, affecting the structure of the lightest exotic nuclei to nucleosynthesis of heavy elements.
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