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Studies of 213g, mRa and 214g, mRa by α and γ decay

  • Nuclear Structure and Reactions
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Abstract.

The decay of 213, 214Ra was studied by α-γ and γ-γ coincidence measurements. The nuclei were produced in the reactions 170Er(48Ca, xn)218-xRa and 170Er(50Ti, 3n)217Th and subsequent α decay of 217Th to 213Ra. Evaporation residues recoiling out of the target were separated in-flight by the velocity filter SHIP and implanted into a position-sensitive 16-strip PIPS detector in order to study their subsequent decays. Associated γ-rays were detected by a four-fold Ge-Clover detector. In the present work we extracted new and improved data for 213, 214Ra including isomeric transitions. The results are discussed and compared with previously published data.

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Authors and Affiliations

  1. Gesellschaft für Schwerionenforschung (GSI), D-64220, Darmstadt, Germany

    P. Kuusiniemi, F. P. Heßberger, D. Ackermann, S. Antalic, S. Hofmann, K. Nishio, B. Sulignano, I. Kojouharov & R. Mann

  2. Institut für Physik, Johannes Gutenberg-Universität Mainz, D-55099, Mainz, Germany

    D. Ackermann & B. Sulignano

  3. Department of Physics, Comenius University Bratislava, SK-84215, Bratislava, Slovakia

    S. Antalic

  4. Institut für Kernphysik, Johann Wolfgang Goethe-Universität, D-60486, Frankfurt am Main, Germany

    S. Hofmann

  5. Japan Atomic Energy Agency, 319-1184, Tokai,Ibaraki, Japan

    K. Nishio

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  1. P. Kuusiniemi
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  2. F. P. Heßberger
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  3. D. Ackermann
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  4. S. Antalic
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  5. S. Hofmann
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  6. K. Nishio
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  7. B. Sulignano
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  8. I. Kojouharov
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  9. R. Mann
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Corresponding author

Correspondence to P. Kuusiniemi.

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J. Äystö

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Kuusiniemi, P., Heßberger, F.P., Ackermann, D. et al. Studies of 213g, mRa and 214g, mRa by α and γ decay. Eur. Phys. J. A 30, 551–559 (2006). https://doi.org/10.1140/epja/i2006-10148-y

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  • DOI: https://doi.org/10.1140/epja/i2006-10148-y

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