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Alpha-gamma decay studies of 261Sg and 257Rf

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Abstract.

The isotope 261Sg and its decay product 257Rf were produced in the nuclear reaction 208Pb(54Cr, n)261Sg . The radioactive decay of these isotopes was investigated by means of \( \alpha\) , \( \alpha\) -\( \gamma\) and/or \( \alpha\) -X-ray spectroscopy. Improved spectroscopic data concerning \( \alpha\) energies, \( \gamma\) transitions, tentative spin and parity assignments of low-lying Nilsson single-neutron orbitals are presented for these nuclei.

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Author notes

  1. B. Sulignano

    Present address: DSM/DAPNIA/SPhN, CEA-Saclay, Gifsur-Yvette, France

  2. M. Venhart

    Present address: Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, Belgium

Authors and Affiliations

  1. Department of Nuclear Physics and Biophysics, Comenius University, 84248, Bratislava, Slovakia

    B. Streicher, S. Antalic, Š. Šáro & M. Venhart

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

    B. Streicher & B. Sulignano

  3. GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291, Darmstadt, Germany

    F. P. Heßberger, S. Hofmann, D. Ackermann, S. Heinz, B. Kindler, J. Khuyagbaatar, I. Kojouharov, P. Kuusiniemi, B. Lommel, R. Mann & B. Sulignano

  4. Institut für Kernphysik, Goethe-Universität, 60054, Frankfurt am Main, Germany

    S. Hofmann

  5. CUPP, University of Oulu, 86801, Pyhäjärvi, Finland

    P. Kuusiniemi

  6. University of Jyväskylä, 40014, Jyväskylä, Finland

    M. Leino & J. Uusitalo

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  1. B. Streicher
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Communicated by R. Krücken

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Streicher, B., Heßberger, F.P., Antalic, S. et al. Alpha-gamma decay studies of 261Sg and 257Rf. Eur. Phys. J. A 45, 275–286 (2010). https://doi.org/10.1140/epja/i2010-11005-2

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