An Octupole Deformation in ^20Ne

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概要

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• A quadrupole (Y_2)-plus-octupole (Y_3)-deformed-shell model is applied to the first K^π=0^± bands of ^<20>Ne which is situated at the "critical" region in structure change between the shell-like and cluster-like "phases". By the use of the Volkov force as the effective interaction, the variation is performed of the total energies with the Y_3-deformed wave functions. A static Y_3-deformed field is realized in the physical states with definite parities. The energy spectra, the electromagnetic transition probabilities and the charge form factors in the bands are well reproduced as a whole. In the K^π=0^- band the Y_3 deformation is large and stable ; the Y_3 degree of freedom is indispensable to reproducing the gap energy between the two band heads. The present model gives good agreement with the observed 0^±→1^- charge form factor and predicts a remarkably enhanced 3^-→0^+ E3 transition ; the Y_3 polarization growing to some extent in the 0^+ state plays an important role.

• 理論物理学刊行会の論文
• 1976-05-25

著者

• Abe Yasuhisa

  Research Institute For Fundamental Physics Kyoto University

• NOTO Hiroshi

  Department of Diabetes and Metabolism, Tokyo University Hospital

• Noto Hiroshi

  Department Of Physics Kyoto University:department Of Physics Hokkaido University

• Noto Hiroshi

  Department Of Diabetes And Metabolism Tokyo University Hospital

• Tanaka Hajime

  Department Of Applied Physics Faculty Of Engineering University Of Tokyo

• HIURA Jun

  College of Liberal Arts, Iwate University

• Hiura J

  College Of Humanities And Social Sciences Iwate University

• Hiura Jun

  College Of Humanities And Social Sciences Iwate University

• Tanaka Hajime

  Department Of Applied Physics And Applied Mechanics Institute Of Industrial Science University Of To

• Abe Yasuhisa

  Research Center For Nuclear Physics Osaka University

• Noto Hiroshi

  Department Of Diabetes And Metabolic Medicine Diabetes Research Center National Center For Global Health And Medicine

• NOTO Hiroshi

  Department of Physics, Kyoto University:Department of Physics, Hokkaido University

• TANAKA Hajime

  Department of Physics, Hokkaido University

• ABE Yasuhisa

  Research Institute for Fundamental Physics, Kyoto University

• TANAKA HAJIME

  Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University

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