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


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/48726

Title:	Modification of triaxial deformation and change of spectrum in Λ25Mg caused by the Λ hyperon
Authors:	Isaka, Masahiro Browse this author
	Homma, Hiroaki Browse this author
	Kimura, Masaaki Browse this author →KAKEN DB
	Doté, Akinobu Browse this author
	Ohnishi, Akira Browse this author
Issue Date:	Mar-2012
Publisher:	American Physical Society
Journal Title:	Physical Review C
Volume:	85
Issue:	3
Start Page:	034303
Publisher DOI:	10.1103/PhysRevC.85.034303
Abstract:	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.
Rights:	©2012 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/48726
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: 井坂政裕

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