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Triaxial deformation in 10Be

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Title: Triaxial deformation in 10Be
Authors: Itagaki, N. Browse this author
Hirose, S. Browse this author
Otsuka, T. Browse this author
Okabe, S. Browse this author →KAKEN DB
Ikeda, K. Browse this author
Issue Date: 11-Mar-2002
Publisher: American Physical Society
Journal Title: Physical Review C
Volume: 65
Issue: 4
Start Page: 044302
Publisher DOI: 10.1103/PhysRevC.65.044302
Abstract: The triaxial deformation in 10Be is investigated using a microscopic α+α+n+n model. The states of two valence neutrons are classified based on the molecular-orbit (MO) model, and the π orbit is introduced about the axis connecting the two α clusters for the description of the rotational bands. There appear two rotational bands comprised mainly of Kπ=0+ and Kπ=2+, respectively, at low excitation energy, where the two valence neutrons occupy Kπ=3/2- or Kπ=1/2- orbits. The triaxiality and the K mixing are discussed in connection to the molecular structure, particularly to the spin-orbit splitting. The extent of the triaxial deformation is evaluated in terms of the electromagnetic transition matrix elements (Davydov-Filippov model, Q-invariant model) and density distribution in the intrinsic frame. The obtained values turned out to be γ=15°–20°.
Rights: Copyright © 2002 American Physical Society
Type: article
Appears in Collections:情報基盤センター (Information Initiative Center) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 岡部 成玄

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