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Superdeformation in asymmetric $$N$$$$>$$$$Z$$ nucleus $$^{40}$$Ar

Ideguchi, Eiji*; Ota, Shinsuke*; Morikawa, Tsuneyasu*; Oshima, Masumi; Koizumi, Mitsuo ; Toh, Yosuke   ; Kimura, Atsushi   ; Harada, Hideo   ; Furutaka, Kazuyoshi  ; Nakamura, Shoji  ; Kitatani, Fumito  ; Hatsukawa, Yuichi; Shizuma, Toshiyuki; Sugawara, Masahiko*; Miyatake, Hiroari; Watanabe, Yutaka*; Hirayama, Yoshikazu*; Oi, Makito*

A rotational band with five $$gamma$$-ray transitions ranging from 2$$^+$$ to 12$$^+$$ states was identified in $$^{40}$$Ar. The deduced transition quadrupole moment of 1.45 $$pm$$0.15 eb indicates that the band has a superdeformed shape. The nature of the band is revealed by cranked Hartee Fock Bogoliubov calculations and a multiparticle-multihole configuration is assigned to the band.

Language

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English

Journal

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Physics Letters B

Volume

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686

Number

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1

Pages

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p.18 - 22

Publication Year/Month

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2010/03

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1016/j.physletb.2010.02.031

DOI for research data

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Keywords

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no keyword

Research Facility

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タンデム加速器  

Press Release

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Discovery of superdeformed shape in 40Ar; Approaching to the origin of anomalous deformation in neutron-rich nuclei
40Ar(アルゴン-40)の超変形状態観測に世界で初めて成功; 中性子過剰な原子核での異常変形状態の発生メカニズム解明に迫る

Article of JAEA R&D Review

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Cooperating Institute

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千葉工業大学; 高エネルギー加速器研究機構; 東京大学; 九州大学

Accesses

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- Accesses

InCites™

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Percentile:86.72

Category:Astronomy & Astrophysics

Altmetrics

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