Rotational motion of triaxially deformed nuclei studied by the microscopic angular-momentum-projection method. I. Nuclear wobbling motion

Mitsuhiro Shimada, Yudai Fujioka, Shingo Tagami, Yoshifumi R. Shimizu

研究成果: Contribution to journalArticle

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抜粋

Rotation of triaxially deformed nucleus has been an interesting subject in the study of nuclear structure. In the present series of work, we investigate wobbling motion and chiral rotation by employing the microscopic framework of angular-momentum projection from cranked triaxially deformed mean-field states. In this first part, the wobbling motion is studied in detail. The consequences of the three-dimensional cranking are investigated. It is demonstrated that the multiple wobbling rotational bands naturally appear as a result of fully microscopic calculation. They have the characteristic properties that are expected from the macroscopic triaxial-rotor model or the phenomenological particle-triaxial-rotor model, although quantitative agreement with the existing data is not achieved. It is also found that the excitation spectrum reflects dynamics of the angular-momentum vector in the intrinsic frame of the mean field (transverse vs longitudinal wobbling). The results obtained by using the Woods-Saxon potential and the schematic separable interaction are mainly discussed, while some results with the Gogny D1S interaction are also presented.

元の言語英語
記事番号024318
ジャーナルPhysical Review C
97
発行部数2
DOI
出版物ステータス出版済み - 2 16 2018

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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