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Excited-state half-lives in $$^{130}$$Cd and the isospin dependence of effective charges

$$^{130}$$Cdの励起状態半減期と有効電荷のアイソスピン依存性

Jungclaus, A.*; G$'o$rska, M.*; Mikolajczuk, M.*; Acosta, J.*; Taprogge, J.*; 西村 俊二*; Doornenbal, P.*; Orlandi, R.   ; 他55名*

Jungclaus, A.*; G$'o$rska, M.*; Mikolajczuk, M.*; Acosta, J.*; Taprogge, J.*; Nishimura, Shunji*; Doornenbal, P.*; Orlandi, R.; 55 of others*

At the RIBF facility in RIKEN, the half-lives of the 6$$^+$$ and 8$$^+$$ excited states of semi-magic nucleus $$^{130}$$Cd were measured, and the B(E2) transition matrix elements of the corresponding transitions were deduced. This information was used to determine the effective proton charges in $$^{130}$$Cd. By comparing these new results with the effective charges deduced from a previous measurement of $$^{98}$$Cd, the effective charges near doubly magic $$^{100}$$Sn and $$^{132}$$Sn could be compared for the first time. This revealed an unexpected large decrease of the isovector effective charges due to the increasing number of neutrons. This information is very important for state-of-the-art large scale shell model calculations.

発表言語

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English

掲載資料名

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Physical Review Letters

巻

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132

号

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22

ページ数

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p.222501_1 - 222501_7

発行年月

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2024/05

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/PhysRevLett.132.222501

研究データの公開先DOI

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本成果にかかわる研究データのリンクです。

使用施設

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広報プレスリリース

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論文解説
(JAEA R&D Navigator)

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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：0.00

分野：Physics, Multidisciplinary

Altmetrics

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