Chapter VI Microscopic Coupled-Channels Study of Scattering and Breakup of Light Heavy-Ions
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概要
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The elastic and inelastic scattering and the breakup reactions of light heavy-ions, particularly ^<6>Li, ^<7>Li and ^<12>C, are investigated on the basis of a microscopic coupled-channels method. The bound states and resonant and non-resonant continuum states of the projectile nucleus are taken into account. The wave functions of those states are given by a microscopic cluster model assuming α-d, α-t and 3α for the three projectile nuclei, respectively. The unbound continuum states are approximately treated with the method of coupled discretized continuum channels (CDCC). The real parts of all the diagonal and coupling potentials are given by doubly folding the M3Y effective nucleon-nucleon interaction into the nucleon transition densities of the projectile nucleus and the ground-state density of the target nucleus. The microscopic CDCC method is successfully applied to the analyses of the scattering and the breakup of ^<6,7>Li and ^<12>C in a wide range of the target mass and the bombarding energy. The effect of the projectile virtual breakup on the elastic scattering is strikingly large and absolutely important to reproduce the observed cross sections. The dynamical polarization (DP) potentials induced by the breakup of the ^<6,7>Li and ^<12>C projectiles are found to be strongly repulsive and, for ^<6>Li, very weakly absorptive, which is quite different from what has been known for DP potentials induced by the excitation of usual collective states. Unified understanding is presented for various types of possible DP potentials due to weak-coupling channels through strong-coupling channels. Further discussions are made on the roles of the coupling between the breakup channels and that between the elastic channel and the breakup channels in the scattering and breakup reactions of the light heavy-ions.
- 理論物理学刊行会の論文
- 1987-03-25
著者
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上村 正康
九州大学理学研究院物理学部門
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Yahiro M
Univ. Ryukyus Okinawa Jpn
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Yahiro Masanobu
Shimonoseki University Of Fisheries
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Yahiro Masanobu
Gunma National College Of Technology
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Yahiro Masanobu
Department Of Physics Kyushu Unversity
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Kamimura Masayasu
Department Of Physics Kyushu University
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SAKURAGI Yukinori
Institute for Nuclear Study, University of Tokyo
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Sakuragi Y
Department Of Physics Osaka City University
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Kamimura Masayasu
Osaka University
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SAKURAGI Yukinori
Department of Physics,Osaka City University
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