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Deuteron-like neutron-proton correlation in F-18 studied with the cluster-orbital shell model approach

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Title: Deuteron-like neutron-proton correlation in F-18 studied with the cluster-orbital shell model approach
Authors: Masui, Hiroshi Browse this author →KAKEN DB
Kimura, Masaaki Browse this author →KAKEN DB
Issue Date: 21-May-2016
Publisher: Oxford University Press
Journal Title: Progress of theoretical and experimental physics
Volume: 2016
Issue: 5
Start Page: 053D01
Publisher DOI: 10.1093/ptep/ptw041
Abstract: We study the deuteron-like correlation (T = 0) in F-18 using the cluster-orbital shell model approach within the core+ p + n model space, which successfully reproduces the observed properties of F-18 such as B(M1) and the matter radius. Based on the analysis of the correlation energy, magnetic moment, and opening angle, it is found that the deuteron-like proton-neutron pair is formed despite the deep binding of the valence nucleons. It is shown that the [j > circle times j <](T=0)(J=1) configurations play an important role because of the deuteron-like pair formation. We show that the strong correlation leads to the non-negligible occupation of p f and higher shells that are embedded in the single-particle continua, and gives rise to the spatially correlated deuteron-like pair formation. We also investigate how the spin-orbit interaction affects the correlation energy, because the occupation probability of the [j >.circle times j <](T=0)(J=1) configurations strongly depends on the spin-orbit splitting.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/63071
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 木村 真明

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