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Proton-neutron configurations in $$^{236g,m}$$Am and its EC-decay daughter $$^{236}$$Pu

Asai, Masato  ; Sakama, Minoru*; Tsukada, Kazuaki  ; Ichikawa, Shinichi; Haba, Hiromitsu*; Nishinaka, Ichiro; Nagame, Yuichiro ; Goto, Shinichi*; Kojima, Yasuaki*; Oura, Yasuji*; Nakahara, Hiromichi*; Shibata, Michihiro*; Kawade, Kiyoshi*

The EC decay of $$^{236}$$Am has been studied through $$gamma$$-ray spectroscopy. Two EC-decaying states have been found in $$^{236}$$Am with half-lives of 3.6 min and 2.9 min. In $$^{236}$$Pu, we have found the $$K^{pi}=0^{-}$$ octupole band and two-quasiparticle states one of which is a $$K$$ isomer with a 1.2 $$mu$$s half-life. The EC transitions from $$^{236g,m}$$Am to the two-quasiparticle states in $$^{236}$$Pu show small $$log ft$$ values of 4.8--5.3, which allowed us to assign proton-neutron configurations of $$^{236g,m}$$Am and the two-quasiparticle states.

Language

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English

Journal

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European Physical Journal A

Volume

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23

Number

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3

Pages

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p.395 - 400

Publication Year/Month

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2005/02

Meeting title

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Held date

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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/10.1140/epja/i2004-10096-6

DOI for research data

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Link to research data related to this paper/report.

Keywords

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$$^{236}$$Am; $$^{236}$$Pu; EC Decay; ISOL; Isomer; Proton-neutron Configuration

Research Facility

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タンデム加速器  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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東京都立大学

Accesses

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- Accesses

InCites™

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Percentile:70.93

Category:Physics, Nuclear

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