Phys. Rev. Lett. 87, 082502 (2001) [4 pages]

Magic Numbers in Exotic Nuclei and Spin-Isospin Properties of the NN Interaction

Abstract

References

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Takaharu Otsuka^1,2, Rintaro Fujimoto¹, Yutaka Utsuno³, B. Alex Brown⁴, Michio Honma⁵, and Takahiro Mizusaki⁶
¹Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
²RIKEN, Hirosawa, Wako-shi, Saitama 351-0198, Japan
³Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan
⁴National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824
⁵Center for Mathematical Sciences, University of Aizu, Tsuruga, Ikki-machi, Aizu-Wakamatsu, Fukushima 965-8580, Japan
⁶Department of Law, Senshu University, Higashimita, Tama, Kawasaki, Kanagawa, 214-8580, Japan

Received 31 March 2001; published 3 August 2001

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.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.87.082502

DOI:

10.1103/PhysRevLett.87.082502

PACS:

21.30.Fe, 21.60.Cs, 27.20.+n, 27.30.+t

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Phys. Rev. Lett. 87, 082502 (2001) [4 pages]

Magic Numbers in Exotic Nuclei and Spin-Isospin Properties of the NN Interaction

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