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Radioactive decay of 217Pa

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Abstract:

The radioactive decay of 217Pa was investigated by means of α-γ-spectroscopy. Fine structure in the ground-state α-decay was established. Ambiguities in the fine structure of the α-decay of the previously known isomeric state could be clarified by α-γ-coincidence measurements. A previously unknown α-transition of E α = (8306 ± 5) keV was detected and identified by means of delayed α-α- and α-γ-γ-coincidence measurements. A second isomeric state decaying by α-emission was not observed. The quality of the previously reported data of the α-decay fine structure of 217Th was improved.

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Authors and Affiliations

  1. Gesellschaft für Schwerionenforschung mbH, D-64220 Darmstadt, Germany, , , , , , DE

    F.P. Heßberger, S. Hofmann, I. Kojouharov, D. Ackermann, B. Kindler, B. Lommel & R. Mann

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

    S. Antalic, P. Cagarda & S. Saro

  3. Flerov Laboratory of Nuclear Reactions, JINR, 141 980 Dubna, Russia, , , , , , RU

    A.G. Popeko & A.V. Yeremin

  4. Physics Department, University of Jyväskylä, FIN-40351 Jyväskylä, Finland, , , , , , FI

    J. Uusitalo

Authors
  1. F.P. Heßberger
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  2. S. Hofmann
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  3. I. Kojouharov
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  4. D. Ackermann
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  5. S. Antalic
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  6. P. Cagarda
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  7. B. Kindler
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  8. B. Lommel
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  9. R. Mann
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  10. A.G. Popeko
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  11. S. Saro
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  12. J. Uusitalo
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  13. A.V. Yeremin
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Additional information

Received: 29 April 2002 / Accepted: 17 June 2002 / Published online: 19 November 2002

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ID="a"e-mail: f.p.hessberger@gsi.de

Communicated by J. Äystö

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Heßberger, F., Hofmann, S., Kojouharov, I. et al. Radioactive decay of 217Pa. Eur Phys J A 15, 335–342 (2002). https://doi.org/10.1140/epja/i2002-10038-4

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  • DOI: https://doi.org/10.1140/epja/i2002-10038-4

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