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Intermediate-spin states of $$^{92}$$Zr and a large $$B(E2)$$ value between the $$10_1^+$$ and $$8_1^+$$ states

$$^{92}$$Zrの励起準位及び$$10_1^+$$と$$8_1^+$$の準位間の大きな$$B(E2)$$に関する研究

菅原 昌彦*; 藤 暢輔   ; 小泉 光生 ; 大島 真澄*; 木村 敦   ; 金 政浩*; 初川 雄一*; 草刈 英榮*

Sugawara, Masahiko*; Toh, Yosuke; Koizumi, Mitsuo; Oshima, Masumi*; Kimura, Atsushi; Kin, Tadahiro*; Hatsukawa, Yuichi*; Kusakari, Hideshige*

This study investigated intermediate spin states of $$^{92}$$Zr via the inverse reaction $$^9$$Be($$^{86}$$Kr,3n)$$^{92}$$Zr. Seven transitions were newly observed and a lifetime was extracted for the $$10_1^+$$ state by analysis of Doppler-broadened line shapes of decay $$gamma$$-rays. A large $$B(E2)$$ value was obtained for the transition from $$10_1^+$$ to $$8_1^+$$ and the magnitude was comparable to that for the deformed excited configurations in $$^{94}$$Zr that have recently been established. A possible origin for such collectivity is discussed qualitatively based on a phenomenological deformed rotor model. Moreover, a multiplet-like structure that fits into the systematics for $$N=52$$ even-A isotones is revealed for the negative-parity yrast states.

使用言語

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English

掲載資料名

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Physical Review C

巻

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96

号

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2

ページ数

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p.024314_1 - 024314_7

発行年月

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2017/08

発表会議名

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開催年月

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開催都市

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開催国

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キーワード

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no keyword

特許データ

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PDF

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論文URL

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https://doi.org/10.1103/PhysRevC.96.024314

研究データの公開先DOI

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使用施設

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タンデム加速器  

広報プレスリリース

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論文解説記事
(成果普及情報誌)

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受委託・共同研究相手機関

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Access

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- Accesses

InCites™

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パーセンタイル：10.45

分野：Physics, Nuclear

Altmetrics

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