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Cluster-shell competition in light nuclei

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タイトル: Cluster-shell competition in light nuclei
著者: Itagaki, N. 著作を一覧する
Aoyama, S. 著作を一覧する
Okabe, S. 著作を一覧する
Ikeda, K. 著作を一覧する
発行日: 2004年11月 5日
出版者: American Physical Society
誌名: Physical Review C
巻: 70
開始ページ: 054307
出版社 DOI: 10.1103/PhysRevC.70.054307
抄録: We demonstrate whether the cluster structure dissolves or remains when the shell-model-like model space is introduced in addition to the cluster model space in light nuclei. Although the binding energies of 8Be, 10Be, and 10B become larger by about 1–2 MeV by adding shell-model-like basis states to the α+α+N+N+ ・・・basis states, the α-α structure is a dominant configuration of the ground states. However, α-breaking wave functions strongly mix in 12C, and the decrease of the energy from the 3α configuration by about 6 MeV is a clue to resolving a long-standing problem of the binding energies of 12C and 16O. The improved version of antisymmetrized molecular dynamics (AMD), AMD superposition of selected snapshots (AMD triple-S), is used to show the cluster-shell competition of these nuclei.
Rights: Copyright © 2004 American Physical Society
資料タイプ: article
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 岡部 成玄


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