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EC and $$alpha$$ decays of $$^{235}$$Am

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*

EC and $$alpha$$ decays of $$^{235}$$Am have been studied by means of $$gamma$$-ray spectroscopy. Excited states in $$^{235}$$Pu have been established for the first time, and tentative spin-parity and Nilsson assignments were given to these levels. The ground state of $$^{235}$$Am was evaluated to be the $$pi 5/2^{-}[523]$$ state from the experimental results. It was found that the $$pi 5/2^{-}[523]$$ state in $$^{231}$$Np is located at $$<$$15~keV, which allowed us to determine the $$Q_{alpha}$$ value of $$^{235}$$Am as 6569$$^{+27}_{-12}$$~keV, in combination with the measured $$alpha$$-particle energy.

Language

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English

Journal

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European Physical Journal A

Volume

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22

Number

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3

Pages

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p.411 - 416

Publication Year/Month

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2004/12

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/10.1140/epja/i2004-10044-6

DOI for research data

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Keywords

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$$^{235}$$Am; $$^{235}$$Pu; $$^{231}$$Np; Spin-parity; EC Decay; Alpha Decay

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:51.36

Category:Physics, Nuclear

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