Modification of triaxial deformation and change of spectrum in Λ25Mg caused by the Λ hyperon

Isaka, Masahiro; Homma, Hiroaki; Kimura, Masaaki et al.

Physical Review C, 2012, 85(3), 034303

Permalink : https://hdl.handle.net/2115/48726

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アクセス権	open access
URI	https://hdl.handle.net/2115/48726
タイトル	Modification of triaxial deformation and change of spectrum in Λ25Mg caused by the Λ hyperon
著者	Isaka, Masahiro ; Homma, Hiroaki ; Kimura, Masaaki ; Doté, Akinobu ; Ohnishi, Akira
著者名 Isaka, Masahiro
著者名 Homma, Hiroaki
e-Rad_Researcher 50402813 著者名 Kimura, Masaaki
著者名 Doté, Akinobu
著者名 Ohnishi, Akira
言語	英語
発行日	2012-03
出版者	American Physical Society
収録物名	Physical Review C
巻(号)	85(3)
ページ	034303
抄録	The positive-parity states of Λ25Mg with a Λ hyperon in s orbit were studied with the antisymmetrized molecular dynamics for hypernuclei. We discuss two bands of Λ25Mg corresponding to the Kπ = 0+ and 2+ bands of 24Mg. It is found that the energy of the Kπ = 2+ ⊗ Λs band is shifted up by about 200 keV compared to 24Mg. This is because the Λ hyperon in s orbit reduces the quadrupole deformation of the Kπ = 0+ ⊗ Λs band, while it does not change the deformation of the Kπ = 2+ ⊗ Λs band significantly.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	©2012 American Physical Society
PISSN	0556-2813
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevC.85.034303