Deformation around Neutron-Rich Cr Isotopes in Axially Symmetric Skyrme-Hatree-Fock-Bogoliubov Method(Nuclear Physics)
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概要
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We analyse the deformation mechanism in neutron-rich Cr, Fe and Ti isotopes with N=32-44 using a Skyrme-Hartree-Fock-Bogoliubov mean-field code employing a two-dimensional mesh representation in the cylindrical coordinate system. Evaluating the quadrupole deformation energy systematically, we show that the Skyrme parameter set SkM^* gives a quadrupole instability around the neutron numbers N〜38-42 in Cr isotopes, where the deformation energy curve suggests a transitional behavior with a shallow minimum extending to a large prolate deformation. The roles of a deformed N=38 gap and the position of the neutron g_<9/2> orbit are analysed in detail.
- 理論物理学刊行会の論文
- 2008-07-25
著者
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MATSUO Masayuki
Department of Physics, Niigata University
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Matsuo Masayuki
Department Of Physics Faculty Of Science Niigata University
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Matsuo Masayuki
Niigata Univ. Niigata Jpn
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Oba Hiroshi
Graduate School Of Science And Technology Niigata University
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Matsuo Masayuki
Department Of Materials Science Nagoya Institute Of Technology
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OBA Hiroshi
Graduate School of Science and Technology, Niigata University
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