Di-Neutron Correlation in Soft Octupole Excitations of Neutron-Rich Ni Isotopes beyond N=50(Nuclear Physics)
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概要
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We investigate the low-lying octupole response of neutron-rich Ni isotopes beyond the N=50 shell closure using the Skyrme-Hartree-Fock-Bogoliubov mean fields and the continuum quasi-particle random phase approximation. Performing detailed numerical analyses employing the Skyrme parameter set SLy4 and a density-dependent delta interaction of the mixed type, we show that a neutron mode emerges above the neutron separation energy as a consequence of the weak binding of neutrons and that it strongly influences the di-neutron correlation.
- 2009-01-25
著者
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Matsuo Masayuki
Department Of Physics Faculty Of Science Niigata University
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Serizawa Yasuyoshi
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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Serizawa Yasuyoshi
Graduate School Of Science And Technology Niigata University
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